China National Standards

China occupational skills window Industry Standards English PDF List

  •  China "occupational skills window" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JGJ/T 464-2019 Standard for occupational skills of window and door installation worker
    建筑门窗安装工职业技能标准    		 China National Standards
    occupational skills window
    English PDF

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