China National Standards

China Installation work ration Industry Standards English PDF List

  •  China "Installation work ration" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 5805-2010 Installation work ration for power transmission and distribution
    输配电线路安装工程劳动定额    		 China Oil & Gas Industry Standards
    Installation work ration
    English PDF

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