China National Standards

China R23 Industry Standards English PDF List

  •  China "R23" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SJ 20476.4-1997 Detail specification for gas discharge tube for overvoltage protection of type R23
    R23型过电压保护气体放电管详细规范    		 China Electronics Standards
    R23
    English PDF

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