GB 20936.4-2008 Standard PDF file download ; GB 20936.4-2008 Standard english preview version download

GB Standard Code	GB 20936.4-2008
Standard Category	China National Standards
GB Standard English Title	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
GB Standard Chinese Title	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
Chinese Version Price	$15 USD per 50 pages
English Translation Price	About $15 per 1 page; Inquire us for detail price

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