求助高清可复制的:ISO 27327-2-2014
Fans Air curtain units -Part 2: Laboratory methods of testing for sound power
shukesan 发表于 2017-11-17 22:03
BS ISO 27327-2:2014
ISO 27327-2:2014(E)
Fans — Air curtain units Part 2: Laboratory methods of te ...
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