China National Standards

China Chemical porcelain crucible Industry Standards English PDF List

  •  China "Chemical porcelain crucible" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1991-2014 Chemical porcelain crucible
    化学瓷坩埚    		 China Light Industry Standards
    Chemical porcelain crucible
    English PDF
    QB/T 1991-1994 (Chemical porcelain crucible tongs)
    		China Light Industry Standards
    Chemical porcelain crucible
    English PDF

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