GB 11724-1989

Health standard for dust containing 50%~80% free silica in the air of workplace

STANDARD published on 30.12.1988

English, Chinese -
electronic design (pdf) (198.80 USD)

The information about the standard:

Designation standards: GB 11724-1989
Note: WITHDRAWN
Publication date standards: 30.12.1988
Country: Chinese technical standard
Category: Technical standards GB