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GB/T 18993.5-2020 冷热水用氯化聚氯乙烯(PVC-C)管道系统第5部分:系统适用性

GB/T 18993.5-2020.Chlorinated poly ( vinyl chloride) (PVC-C) piping systems for...

YY/T 1171-2009.Lowenstein - Jensen medium base.1范围YY/T 1171规定了改良罗氏基础培养基的质量要求、检验方...

TB 1553-84.TB 1553适用于混凝土轨枕用聚乙烯垫片(以下简称垫片)。1技术要求1.1 垫片型式尺寸及其允许偏差,应符合TB 1390-81 《混凝...

GB/T 39911-2021.Brand valuation-Telecommunications industry.1范围GB/T 39911规定了电信业品...

GB/T 39598-2021.A guide to the limited quantity in indoor loading for wood-based...

GB/T 39801-2021.General technical specifications of membrane distillation device...

GB/T 18993.3-2020.Chlorinated poly ( vinyl chloride) (PVC-C) piping systems for...

GB/T 39870-2021.Brand valuation一 Automobile manufacturing industry.1范围GB/T 39870...

TB/T 1742-2011.Components of diesel engine for locomotive and rail car Nodular c...

YY/T 1161-2009.Tumor Associated Antigen CA 125 Quantitative Detection Reagent( K...

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