China National Standards

China blackboards Industry Standards English PDF List

  •  China "blackboards" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 048-2006 The Y721 type of shake the the blackboards machine calibration specification
    		China Metrological Standards
    blackboards
    English PDF
    JJF 014-2006 The Y381 type of shake the the blackboards machine calibration specification
    		China Metrological Standards
    blackboards
    English PDF

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