Electrical apparatus for the detection and measurement of flammable gases—Part 3:Performance requirements for group apparatus indicating a volume fraction up to 100% methane in air
NORMA vydána dne 21.4.2009
Designation standards: GB/T 20936.3-2009
Note: NEPLATNÁ
Publication date standards: 21.4.2009
Country: Chinese technical standard
Kategorie: Technické normy GB