GB/T 8969-1988

Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method

NORMA vydaná dňa 30.3.1988

The information about the standard:

Designation standards: GB/T 8969-1988
Note: NEPLATNÁ
Publication date standards: 30.3.1988
Country: Chinese technical standard
Kategória: Technické normy GB