GB/T 20939-2007

Abolished

Structuring principles for technical products and technical product documentation - Letter codes - Main classes and subclasses of objects according to their purpose and task

技术产品及技术产品文件结构原则字母代码按项目用途和任务划分的主类和子类

Standard Type

GBT

ICS

29.020

CCS

K04

Status

废止

Issue Date

2007-04-30

Implementation

2008-01-01

Responsible Dept

国家标准委

Drafting Unit

N/A

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