中華人民共和國國家標準
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20936.3-2009
Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100 % methane in air 可燃性氣體探測用電氣設備 第3部分:顯示空氣中甲烷體積含量至100%的I類探測器的性能要求
Issued Date:2009-04-21
Implemented Date:2009-11-01
Issued by:
The Standardization Administration of the People's Republic of China