China National Standards

China 164: GB Standards List

  •  China "164:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GBZ/T 300.164-2018 Determination of toxic substances in the workplace - Part 164: Diphenylmethane diisocyanate
    工作场所空气有毒物质测定-第164部分：二苯基甲烷二异氰酸酯    		 China National Standards
    164:
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