hebing118 发表于 2017-5-31 20:41:47

BS EN 15004-6-2008

BS EN 15004-6-2008 Fixed firefightingsystems — Gas
extinguishing
systems —
Part 6: Physical properties and system
design of gas extinguishing systems for
HFC 23 extinguishant

admin 发表于 2017-6-2 16:56:58

谢谢您的分享,金币已奖励!
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