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International Standard Category: Noise emitted by machines and equipment

GB/T 20787-2006    Classification system and test methods for nonmetallic gasket materials - Part 11: Standard practice for determining resistance of synthetic polymeric materials to fungi
往复式内燃机 中、高速往复式内燃机底脚结构噪声测试规范 ;
Category No.:17.140.20 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2006-12-28
Implemented Date:2007-6-1 Abolished Date:
Superseded Standard.:GB/T 20787-2023 Reciprocating internal combustion engines—Measurement method for structure-borne noise
Superseded Date:2024-4-1
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