GB/T 11657-1989

Abolished

Health protection zone standardfor copper smeltery (closed blast furnace type)

铜冶炼厂(密闭鼓风炉型)卫生防护距离标准

Standard Type
GBT
ICS
13.100
CCS
C51
Status
废止
Issue Date
1989-07-24
Implementation
1990-06-01
Responsible Dept
国家卫生健康委
Drafting Unit
N/A