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JT/T 659-2006 Ultrasonic test instrument of concrete
Issued on: 2006-6-23 Price(USD): 150.0 |
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JJG 482-2005 Verification Regulation of Laboratory Standard Microphones (Free-field Reciprocity Method)
Issued on: 2005-10-9 Price(USD): 270.0 |
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JJF 1034-2005 Metrological Terms and Their Definitions for Acoustics
Issued on: 2005-10-9 Price(USD): 700.0 |
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JJG 176-2005 Verification Regulation of Sound Calibrators
Issued on: 2005-4-28 Price(USD): 300.0 |
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JJG 778-2005 Noise Level Statistical Analyzers
Issued on: 2005-4-28 Price(USD): 420.0 |
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