GB 11531-1989

Hygienic standard for copper dust and fume in the air of workplace

STANDARD published on 20.6.1989

English, Chinese -
electronic design (pdf) (298.80 USD)

The information about the standard:

Designation standards: GB 11531-1989
Note: WITHDRAWN
Publication date standards: 20.6.1989
Country: Chinese technical standard
Category: Technical standards GB