GB/T 11742-1989

Standard method for hygienic examination of hydrogen sulfide in air of residential areas—Methylene blue spectrophotometric method

NORMA vydaná dňa 21.9.1989

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The information about the standard:

Designation standards: GB/T 11742-1989
Note: NEPLATNÁ
Publication date standards: 21.9.1989
Country: Chinese technical standard
Kategória: Technické normy GB