GB/T 39542.1-2020

Active

Mechanical pencils for technical drawings—Part 1: Classification, dimensions, performance requirements and testing

技术制图活动铅笔 第1部分：分类、尺寸、性能要求和试验

Standard Type
GBT
ICS
97.180
CCS
Y50
Status
现行
Issue Date
2020-07-21
Implementation
2020-07-21
Responsible Dept
中国轻工业联合会
Drafting Unit
N/A