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| Position: Search | valid to be valid superseded to be superseded abolished to be abolished |
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T/CIS 17009-2025 General technical specification for bath type ultrasonic cleaning machine
Issued on: 2025-07-01 Price(USD): |
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T/CARD 022-2021
Issued on: 2021-12-24 Price(USD): |
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JJG 2017-2005 Verification Scheme of Measuring Instruments for Underwater Sound Pressure
Issued on: 2005-4-28 Price(USD): 120.0 |
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GB/T 4854.1-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Issued on: 1999-03-08 Price(USD): 150.0 |
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