GB/T 6139-2007

Active

Subland twist drills - Technical specifications

阶梯麻花钻 技术条件

Standard Type
GBT
ICS
25.100.30
CCS
J41
Status
现行
Issue Date
2007-07-26
Implementation
2007-12-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A