GB/T 20939-2007 English PDF

US$1394.00 · In stock
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GB/T 20939-2007: Structuring principles for technical products and technical product documentation -- Letter codes -- Main classes and subclasses of objects according to their purpose and task
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20939-2007	1394	Add to Cart	7 days	Structuring principles for technical products and technical product documentation -- Letter codes -- Main classes and subclasses of objects according to their purpose and task	Valid

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Basic data

Standard ID: GB/T 20939-2007 (GB/T20939-2007)
Description (Translated English): Structuring principles for technical products and technical product documentation -- Letter codes -- Main classes and subclasses of objects according to their purpose and task
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K09
Classification of International Standard: 29.020
Word Count Estimation: 70,799
Date of Issue: 2007-04-30
Date of Implementation: 2008-01-01
Adopted Standard: IEC PAS 62400-2005, IDT
Regulation (derived from): Chinese National Standards Bulletin 2007 No. 5 (No. 105 overall) (" China Standardization ")
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the use and division of tasks by project category and letter code that extends the GB/T 5094. 2 Table " by purpose and task of project categories and the letter code " content, and increased the subclass (second letter code). This standard applies to structure, process, electrical engineering and other disciplines as well as all the criteria, such as power generation, power distribution, processing machinery, shipbuilding, marine engineering. More detailed classification may prescribe additional letter code. This standard does not involve GB/T 5094. 2 Form " infrastructure projects and class " infrastructure projects in the categories and sub-class letter code requirements.

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