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Minimum performance requirements on high fidelity microphones
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STANDARD published on 17.6.1988
Designation standards: GB/T 9402-1988
Note: WITHDRAWN
Publication date standards: 17.6.1988
SKU: NS-891887
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2025-12-25 (Number of items: 2 253 105)
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