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CNS |
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General No. |
CNS 7779-4 |
| Classified No. |
B7165-4 |
Industrial fans – Determination of fan sound power levels under standardized laboratory conditions – Part 4: Sound intensity method
工業用風機－在標準化實驗室條件下風機聲功率位準測定－ 第4部：聲強度法 |
Date of Approval
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Bureau of Standards,
Metrology and Inspection |
Date of
Revision
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"CNS 7779-4" standard !
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| CNS
Standard Code |
CNS 7779-4:2019 |
| CNS Standard Classified No. |
B7165-4 |
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CNS Standard English Title |
Industrial fans – Determination of fan sound power levels under standardized laboratory conditions – Part 4: Sound intensity method |
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CNS Standard Chinese Title |
工業用風機－在標準化實驗室條件下風機聲功率位準測定－ 第4部：聲強度法 |
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CNS Standard Edition |
Status：Current; Latest date：10/02/2014 Confirmed date：11/07/2019 |
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CNS Standard Pages |
26 |
| Chinese Version Price |
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| English Translation Price |
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