
Electrical apparatus for the detection and measurement of flammable gases—Part 4:Performance requirements for group apparatus indicating a volume fraction up to 100% gas
NORMA vydána dne 30.12.2008
Designation standards: GB 20936.4-2008
Note: NEPLATNÁ
Publication date standards: 30.12.2008
Country: Chinese technical standard
Kategorie: Technické normy GB