ygs67 发表于 2017-11-17 18:51:46

求助：ISO 27327-2-2014

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 18:51:47

BS ISO 27327-2:2014
ISO 27327-2:2014(E)
Fans — Air curtain units Part 2: Laboratory methods of testing for sound power

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ygs67 发表于 2017-11-17 23:12:19

shukesan 发表于 2017-11-17 22:03 static/image/common/back.gif
BS ISO 27327-2:2014
ISO 27327-2:2014(E)
Fans — Air curtain units Part 2: Laboratory methods of te ...

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