GB 18553-2001

Occupatonal exposure limit for petroleum asphalt (fume) in the air of workplace

NORMA vydaná dňa 4.12.2001

The information about the standard:

Designation standards: GB 18553-2001
Note: NEPLATNÁ
Publication date standards: 4.12.2001
Country: Chinese technical standard
Kategória: Technické normy GB