QB 1136一1991.1主题内容与适用范围QB 1136规定了钢质防护门的产品分类.技术要求、试验方法、检验规则、标志、包装、运输、贮存。QB 1136适用...

行业标准2023.07.24

GB/T 4893.4-2013.Test of surface coatings of furniture-Part 4: Dctermisation of...

国家标准2023.07.24

GB/T 4893. 6-2013.Test of surface coatings of furniture-Part 6:Determination of...

国家标准2023.07.24

QB 1138-1991.5.3.4 电镀电镀件应符合下列要求:a. 电镀件外观应光亮均匀,主要面无花斑、锈迹等缺陷;非主要面允许色暗、花斑现象;b.电镀层经...

行业标准2023.07.24

GB/T 4893.7-2013.Test of surface coatings of furniture-Part 7: Determination of...

国家标准2023.07.24

SJ 20231-1993.Verification regulation of KDK double gate FETY, tester.1范围1.1主题内容...

行业标准2023.07.24

SJ 20230-1993.Verification regulation of model BJ2951A(JS-5A) transistor Hp test...

行业标准2023.07.24

GB/T 4893.8-2013.Test of surface coatings of furniture-Part 8:Determination of w...

国家标准2023.07.24

SJ 20026-1992.Measuring methods for gas sensors of metal. oxide semiconductor.1范...

行业标准2023.07.24

SJ 20027/1-1997.Detail specification for type JYM200-1 solid-state pulse laser.S...

行业标准2023.07.24