GB/T 13344-2019

Active

Down-the-hole hammers and bits

潜孔冲击器和潜孔钻头

Standard Type
GBT
ICS
73.100.10
CCS
D92
Status
现行
Issue Date
2019-08-30
Implementation
2020-03-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A