China National Standards

China preamplifiers Industry Standards English PDF List

  •  China "preamplifiers" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1137-2005 Calibration specification for microphone preamplifiers
    传声器前置放大器校准规范    		 China Metrological Standards
    preamplifiers
    English PDF
    JJG(SJ)02007-1989 Specification for verification of 2627 model preamplifiers
    		China Metrological Standards
    preamplifiers
    English PDF

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