GB 11521-1989

Hygienic standard for vermiculite dust in the air of workplace

STANDARD published on 29.3.1989

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GB 11521-1989
Note: WITHDRAWN
Publication date standards: 29.3.1989
Country: Chinese technical standard
Category: Technical standards GB