GB 8921-1988

Limit standard of radioactive Ra-226 in phosphate fertilizer

STANDARD published on 11.3.1988

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

The information about the standard:

Designation standards: GB 8921-1988
Note: WITHDRAWN
Publication date standards: 11.3.1988
Country: Chinese technical standard
Category: Technical standards GB