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GB/T 20939-2007 English PDF

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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 IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 20939-2007English1394 Add to Cart 7 days [Need to translate] Structuring principles for technical products and technical product documentation -- Letter codes -- Main classes and subclasses of objects according to their purpose and task Valid GB/T 20939-2007

PDF similar to GB/T 20939-2007


Standard similar to GB/T 20939-2007

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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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