GB 24502-2009

Abolished

Chemical oxygen self-rescuer for coal mine

煤矿用化学氧自救器

Standard Type
GB
ICS
13.100
CCS
D09
Status
废止
Issue Date
2009-10-30
Implementation
2010-09-01
Responsible Dept
国家矿山安监局
Drafting Unit
国家矿山安监局