GB - Chinese national standards

Measurement of airborne noise emitted by rotating electrical machines and the noise limits Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines

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Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3Noise limits

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Standard of environmental vibration in urban area

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Measurement method of environmental vibrationof urban area

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Specifications of electronic flash equipments for photograph

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Methods of evaluation for image quality of electrostatic copies

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Classification, designation nomenclature and basic specifications for lithium primary batteries

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Single-stage reciprocating refrigerant compressor (unit)

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General terminology of machining tooling

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Safety requirements of fan for air conditioning

Available languages: English, Chinese

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