GB/T 6247-1986

Abolished

Terminology of rock drilling machines and pneumatic tools

凿岩机械与气动工具名词术语

Standard Type
GBT
ICS
25.140.10
CCS
J84
Status
废止
Issue Date
1986-04-10
Implementation
1987-02-01
Responsible Dept
N/A
Drafting Unit
N/A