GB 20664-2006

Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products

STANDARD published on 7.12.2006

English, Chinese -
electronic design (pdf) (144.00 USD)

The information about the standard:

Designation standards: GB 20664-2006
Publication date standards: 7.12.2006
Country: Chinese technical standard
Category: Technical standards GB