China National Standards

China Limits determination lead, GB Standards List

  •  China "Limits determination lead," GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33999-2017 Limits and determination of lead, cadmium, mercury, arsenic and hexavalent chromium in glass fiber
    玻璃纤维中铅、汞、镉、砷及六价铬的限量指标与测定方法    		 China National Standards
    Limits determination lead,
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