GB 2891.2-1982

Test method of airflow resistance of exhalant valve of facepiece for respirator

NORMA vydána dne 1.1.1982

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The information about the standard:

Designation standards: GB 2891.2-1982
Note: NEPLATNÁ
Publication date standards: 1.1.1982
Country: Chinese technical standard
Kategorie: Technické normy GB