China National Standards

China Hardware fittings empty Industry Standards English PDF List

  •  China "Hardware fittings empty" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1661-1992 Hardware fittings for empty steel doors and windows
    空腹钢门窗五金配件    		 China Light Industry Standards
    Hardware fittings empty
    English PDF

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