"Acoustics Preferred" CNS Standards List| Titanium titanium | Road Vehicle | Envelopes | Prosthetics | Assembly tools | Steel cord | V Shaped | Communication networks | |
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CNS 13545
2017 Edition Acoustics - Preferred Frequencies for Measurements 聲學量測上優選的頻率 |
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CNS 13545
1995 Edition Acoustics - Preferred Frequencies for Measurements 聲學量測上優選的頻率 |
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