行业标准

QB 1500一1992.1主题内容与适用范围QB 1500规定了昧精的产品分类、技术要求、试验方法、检验规则和标志、包装、运输、贮存要求。QB 1500适用...

QB 1458-1992.4.2滤水时间以试样测定值与仪器空白值(不放试样的测定值)之差表示。4.3纸张的纤维组织应均匀,纸面平整,不许有硬质块、褶子、皱...

SJ 20054-1992.Semiconductor discrete device Detail specification for silicon NPN low power switching transistor of type 3DK101 ,3DK102 ,3DK103,3DK104 and 3DK105.1范围1.1主题内容...

SJ 20055-1992.Semiconductor discrete device Detail specification for silicon NPN low power switching transistor of type 3DK102.1范围1.1主题内容SJ 20055规定了3DK102型NPN硅小...

SJ 20056-1992.Semiconduclor discrele device Delail specification for silicon NPN low power switching transistor of type 3DK 1031范围1.1主题内容SJ 20056规定了3DK103型NPN硅小...

SJ 20057-1992.Semiconductor discrete deviceDetail specification for silicon NPN low power switching transistor of type 3DK 104.1范围1.1主题内容SJ 20057规定了3DK104型NPN硅小...

SJ 20058-1992.Semiconductor discrete device Detail specification for silicon NPN . low power switching transistor of type 3DK105.1范围1.1主题内容SJ 20058规定了3DK105型NPN硅...

QB 1428-1992.Synthetic fatty acids.将配制的20个铂-钻标准色度使用溶液,遂一置F10mm原比色池巾，用燕馏水作参比，用分光光度计在波长420m测定吸光...

QB 1413-1991.4.9细度将100g样晶于150目标准筛中振晃后应全部通过。5检验规则5.1本品应由生产厂 的质检验部门进行检验经证实原料来源确无镉污...

QB 1350-1991.1主题内容 与适用范围QB 1350规定了灯泡工业企业的劳动卫生与安全技术方面的要求。QB 1350适用于所有生产灯泡的企业。2引用标准...