China National Standards

China Hygienic standard graphite GB Standards List

  •  China "Hygienic standard graphite" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 10328-1989 Hygienic standard for graphite dust in the air of workplace
    车间空气中石墨粉尘卫生标准    		 China National Standards
    Hygienic standard graphite
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