| Std ID | Description (Standard Title) | 
				
            
                | GB/T 12154-1989 | Analysis of water used in boiler and cooling system--Determination of total aluminum | 
        
				
            
                | GB/T 12154-2008 | Analysis of water used in boiler and cooling system -- Determination of total aluminium | 
        
				
            
                | GB/T 12155-1989 | Analysis of water used in boiler and cooling system--Determination for sodium--Dynamic method | 
        
				
            
                | GB/T 12156-1989 | Analysis of water used in boiler and cooling system--Determination for sodium--Static method | 
        
				
            
                | GB/T 12157-1989 | Analysis of water used in boiler and cooling system--Determination for dissolved oxygen--Internal electrolysis | 
        
				
            
                | GB/T 12157-2007 | Water for industrial circulating cooling system and boiler -- Determination of dissolved oxygen | 
        
				
            
                | GB/T 12160-2002 | Calibration of extensometers used in uniaxial testing | 
        
				
            
                | GB/T 1216-1985 | Micrometers | 
        
				
            
                | GB/T 12162.1-2000 | X and gamma reference radiation for calibrating dose-meters and doserate meters and for determining their response as a function of photon energy. Part 1: Radiation characteristics and production methods | 
        
				
            
                | GB/T 12162.2-2004 | X and gamma reference radiation for calibrating dosimeter and dose-rate meters and for determining their response as a function of photon energy -- Part 2: Dosimetry for radiation protection over the energy ranges 8 keV to1.3MeV and 4MeV to 9MeV | 
        
				
            
                | GB/T 12162.3-2004 | X and gamma reference radiation for calibrating dosimeter and dose-rate meters and for determining their response as a function of photon energy -- Part 3: Calibration of area and personal dosimeter and the measurement of their response as a function | 
        
				
            
                | GB/T 12162.4-2010 | X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of photon energy -- Part 4: Calibration of area and personal dosimeters in low energy X reference radiation fields | 
        
				
            
                | GB/T 1216-2004 | External micrometer | 
        
				
            
                | GB/T 12162-1990 | X and gama reference radiations for calibrating dosemeters and dose ratemeters and for determining their energy response | 
        
				
            
                | GB/T 12163-1990 | Lead shielding units for 50 and 100mm thick walls used for protection against ionizing radiation | 
        
				
            
                | GB/T 12164.1-2008 | Reference beta radiations -- Part 1: Methods of production | 
        
				
            
                | GB/T 12164.3-2013 | Reference beta radiations -- Part 3: Calibration of area and personal dosimeters and the determination of their response as a function of beta radiation energy and angle of incidence | 
        
				
            
                | GB/T 12164-1990 | Reference beta radiations for calibrating dosemeters and doseratemeters and for determining their response as a function of beta radiation energy | 
        
				
            
                | GB/T 12164-1999 | Reference beta radiations for calibrating dosemeters and doseratemeters and for determining their response as a function of beta radiation energy | 
        
				
            
                | GB/T 12165-1990 | Reliability requirements and testing methods for cassette tape recorders | 
        
				
            
                | GB/T 12165-1998 | Reliability requirements and testing methods for cassette tape recorders | 
        
				
            
                | GB/T 12166-1990 | Electrical characteristics of unbalanced voltage digital interface circuits | 
        
				
            
                | GB/T 12167-1990 | Aluminium-alloy clamping wire apparatus for live working | 
        
				
            
                | GB/T 12167-2006 | Aluminium alloy grip clamps of tension wire for live working | 
        
				
            
                | GB/T 12168-1990 | Protective cover for live working | 
        
				
            
                | GB/T 12168-2006 | Protective covers of insulating material for live working | 
        
				
            
                | GB/T 12171-1990 | Specification for TDM/FDM 60-channel transmultiplexing equipments used in the telecommunication network | 
        
				
            
                | GB/T 1217-1986 | Gear tooth micrometers | 
        
				
            
                | GB/T 1217-2004 | Micrometer for measuring root tangent lengths of gear teeth | 
        
				
            
                | GB/T 12173-1990 | Mining electrical apparatus for non-hazardous area | 
        
				
            
                | GB/T 12173-2008 | Mining electrical apparatus for non-hazardous area | 
        
				
            
                | GB/T 12177-1990 | Numerical control of machines--NC processor output--Logical structure | 
        
				
            
                | GB/T 12177-2008 | Industrial automation systems -- Numerical control of machines -- NC processor output -- File structure and language format | 
        
				
            
                | GB/T 12179-1990 | General specifications of noise generators | 
        
				
            
                | GB/T 12179-2013 | General specification for noise generator | 
        
				
            
                | GB/T 12180-1990 | Test methods for general purpose low frequency signal generators | 
        
				
            
                | GB/T 12181-1990 | General purpose specification of low frequency signal generators | 
        
				
            
                | GB/T 1218-1987 | Depth micrometers | 
        
				
            
                | GB/T 1218-2004 | Depth micrometer | 
        
				
            
                | GB/T 12182-1990 | General specification of secondary surveillance radar for air traffic control | 
        
				
            
                | GB/T 12183-1990 | General specification of airborne transponders for air traffic control | 
        
				
            
                | GB/T 12184-1990 | Information processing--Magnetic ink character recognition--Print specifications | 
        
				
            
                | GB/T 12184-2007 | Information processing -- Magnetic ink character recognition -- Print specifications | 
        
				
            
                | GB/T 12185-1990 | General specification for exciter used to MW AM broadcast transmitter | 
        
				
            
                | GB/T 12189-1990 | General specification for television broadcasting exciter | 
        
				
            
                | GB/T 12190-1990 | Measurement of shielding effectiveness of high-performance shielding enclosures | 
        
				
            
                | GB/T 12190-2006 | Method for measuring the shielding effectiveness of electromagnetic shielding enclosures | 
        
				
            
                | GB/T 1219-1985 | Dial gauges | 
        
				
            
                | GB/T 1219-2000 | Geometrical product specification-Dimensional measuring instruments: Dial gauges-Design and metrological requirements | 
        
				
            
                | GB/T 1219-2008 | Dial gauges | 
        
				
            
                | GB/T 12192-1990 | Methods of measurement for radio transmitters employing F3E emission used in the mobile services | 
        
				
            
                | GB/T 12193-1990 | Methods of measurement for radio receivers employing F3E emission used in the mobile services | 
        
				
            
                | GB/T 12194-1990 | Television broadcasting transmitter terminology | 
        
				
            
                | GB/T 12195-1990 | Methods of measurement for pushbutton telephone with pulse | 
        
				
            
                | GB/T 12196-1990 | Methods of measurement for pushbutton dialer with pulse | 
        
				
            
                | GB/T 12197-1990 | Methods of measurement for pushbutton telephone with DTMF | 
        
				
            
                | GB/T 12198-1990 | Methods of measurement for pushbutton dialer with DTMF | 
        
				
            
                | GB/T 12-1988 | Cup head square neck bolts | 
        
				
            
                | GB/T 12199-1990 | Basic environmental testing procedures for nonbroadcasting video cassette tape recorders | 
        
				
            
                | GB/T 12199-2000 | Environmental testing requirements and methods for non-broadcast video tape recorders | 
        
				
            
                | GB/T 12200.1-1990 | Chinese information processing. Vocabulary. Part 01: Fundamental terms | 
        
				
            
                | GB/T 12200.2-1994 | Chinese information processing. Vocabulary. Part 02: Chinese and Chinese character | 
        
				
            
                | GB/T 12-2013 | Cup head square neck bolts | 
        
				
            
                | GB/T 1220-1992 | Stainless steel bars | 
        
				
            
                | GB/T 10045-2001 | Carbon steel flux cored electrodes for arc welding | 
        
				
            
                | GB/T 12204-1990 | Glossary of general terms in metal cutting | 
        
				
            
                | GB/T 12204-2010 | Glossary of general terms in metal cutting | 
        
				
            
                | GB/T 12205-1990 | Chemical analysis method for main composition of manufactured fuel gas | 
        
				
            
                | GB/T 12206-1990 | Method of testing for calorific value of gas in urban areas | 
        
				
            
                | GB/T 12206-2006 | Testing method to determine the calorific values of town gas | 
        
				
            
                | GB/T 12207-1990 | Method of testing for relative density of gas in urban area | 
        
				
            
                | GB/T 12208-1990 | Determination of coal tar and dust of gas in urban area | 
        
				
            
                | GB/T 12208-2008 | Test methods of components and impurities of the manufactured gas | 
        
				
            
                | GB/T 12209.1-1990 | Determination of naphthalene of gas in urban area--Picric acid method | 
        
				
            
                | GB/T 12209.2-1990 | Determination of naphthalene of gas in urban area--Gas chromatographic method | 
        
				
            
                | GB/T 12210-1990 | Determination of ammonia of gas in urban area | 
        
				
            
                | GB/T 12211-1990 | Determination of hydrogen sulfide of gas in urban area | 
        
				
            
                | GB/T 1221-1992 | Heat-resisting steel bars | 
        
				
            
                | GB/T 1221-2007 | Heat-Resistant Steel Bars | 
        
				
            
                | GB/T 12212-1990 | Technical drawings--Dimensions, proportions and simplified representation for welding symbols | 
        
				
            
                | GB/T 12212-2012 | Technical drawings -- Dimensions, proportions and simplified representation for welding symbols | 
        
				
            
                | GB/T 12213-1990 | Technical drawings for glassware | 
        
				
            
                | GB/T 12214-1990 | Silica sand and flour for investment casting | 
        
				
            
                | GB/T 12215-1990 | Bauxite sand and flour for investment casting | 
        
				
            
                | GB/T 12216-1990 | The residue from distrition of synthe4ic fatty acids as binder for foundry | 
        
				
            
                | GB/T 12217-1990 | Machine--Shaft heights | 
        
				
            
                | GB/T 12217-2005 | Machines -- Shaft heights | 
        
				
            
                | GB/T 12220-1989 | General purpose industrial valves - Marking | 
        
				
            
                | GB/T 10046-1988 | Silver brazing filler metals | 
        
				
            
                | GB/T 12221-1989 | Metal valves for use in flanged pipe systems--Face-to-face and centre-to-face dimensions | 
        
				
            
                | GB/T 10046-2000 | Silver filler metals for brazing | 
        
				
            
                | GB/T 1222-1984 | Spring steels | 
        
				
            
                | GB/T 10046-2008 | Silver brazing filler metals | 
        
				
            
                | GB/T 11026.5-2010 | Electrical insulating materials -- Thermal endurance properties -- Part 5: Ageing ovens -- Precision ovens for use up to 300 Celsius | 
        
				
            
                | GB/T 12222-1989 | Multi-turn valve actuator attachment | 
        
				
            
                | GB/T 12222-2005 | Multi-turn valve actuator attachments | 
        
				
            
                | GB/T 12223-1989 | Part-turn valve actuator attachment | 
        
				
            
                | GB/T 12223-2005 | Part-turn valve actuator attachments | 
        
				
            
                | GB/T 12224-1989 | General requirements for industrial steel valves | 
        
				
            
                | GB/T 12224-2005 | General requirements for industrial steel valves |