China National Standards

China Specification calibration SDH Industry Standards English PDF List

  •  China "Specification calibration SDH" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1237-2010 Calibration Specification for SDH/PDH Transmission Analyzer
    sdh/pdh传输分析仪校准规范    		 China Metrological Standards
    Specification calibration SDH
    English PDF
    JJF 30904-2006 Specification for calibration of SDH digit transmission analyzer
    		China Metrological Standards
    Specification calibration SDH
    English PDF

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