GB 12331-90

Classification of toxic work operations

有毒作业分级

Standard Type

GB

ICS

N/A

CCS

N/A

Status

N/A

Issue Date

N/A

Implementation

N/A

Responsible Dept

N/A

Drafting Unit

N/A

📚 References & Relations / 引用与关联

normative_reference GB 5044

normative_reference TJ 36