GB/T 13813-2008

Abolished

Testing method and judging rule of safety to friction spark of metallic material for coal mine

煤矿用金属材料摩擦火花安全性试验方法和判定规则

Standard Type
GBT
ICS
13.220.40
CCS
D15
Status
废止
Issue Date
2008-05-26
Implementation
2008-11-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A