China National Standards

China fromfluorspar GB Standards List

  •  China "fromfluorspar" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 10439-1989 Hygienic standard for mixed dust fromfluorspar in the air of workplace
    车间空气中萤石混合性粉尘卫生标准    		 China National Standards
    fromfluorspar
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