China National Standards

China Horology Functional Industry Standards English PDF List

  •  China "Horology Functional" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 2541-2002 Horology. Functional and non-functional jewels
    钟表.功能和非功能宝石    		 China Light Industry Standards
    Horology Functional
    English PDF

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