GB 20936.4-2008
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB 20936.4-2008
Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% gas 可燃性气体探测用电气设备 第4部分:显示气体体积含量至100%的II类探测器的性能要求
Issued Date:2008-12-30
Implemented Date:2010-02-01
Issued by:
The Standardization Administration of the People's Republic of China