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International Standard Category: Acoustics and acoustic measurements

JJG 482-2005    Verification Regulation of Laboratory Standard Microphones (Free-field Reciprocity Method)
实验室标准传声器(自由场互易法)检定规程;
Category No.:17.14 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2005-10-9
Implemented Date:2006-4-9 Abolished Date:
Superseded Standard.:JJG 482-2017 Laboratory Standard Microphones(Free-field Reciprocity Method)
Superseded Date:2018-5-20
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