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Standard Insuued on: 1989-06

GB 11531-1989    Hygienic standard for copper dust and fume in the air of workplace
车间空气中铜(尘、烟)卫生标准
Category No.:GB Valid Status:superseded
Issued Organization:MOH Issued Date:1989-06-20
Implemented Date:1990-2-1 Abolished Date:
Superseded Standard.:GBZ/T 160.9-2004 Methods for determination of copper and its compounds in the air of workplace
Superseded Date:2004-12-1
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GB 11532-1989   GB 11341-2008   GB/T 11414-2007   GB/T 11356.1-1997   GB/T 11500-1989   GB/T 11501-1989   GB/T 3047.5-1989   GB 11455-1989   GB/T 3047.3-1989   GB/T 11452-1989   JJG 2020-1989   GB 11443.1-1989   GB/T 11443.4-1989   GB/T 11449.6-1989   GB/T 11419-1989   GB/T 11414-1989   GB 11531-1989   GB/T 11416-1989   GB/T 11418-1989   GB/T 11425-1989  

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