China National Standards

China ZD9 Industry Standards English PDF List

  •  China "ZD9" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    TB/T 3113-2015 (ZD9 / ZDJ9 series electric switch machine)
    zd9/zdj9系列电动转辙机    		 China Railway & Train Standards
    ZD9
    English PDF

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