SJ 20309-1993.Detail specification for type 3DK 10 power switching trsnsistor.1范围1.1主题内容SJ 20309规定了3DK10C~ D、3DK10G~H型NPN硅功率开关晶体管的详细要求。...
SJ 20308-1993.Detail specification for type FH1025 NPN silicon power Darlington transistor.1范围1.1主题内容SJ 20308规定了FH1025型NPN硅功率达林顿晶体管(以下简称器...
SJ 20307-1993.Detail specification for type FH646 NPN silicon power Darlington transistor.1范围1.1主题内容SJ 20307规定了FH646型NPN硅功率达林顿晶体管的详细要求。...
QB 2553-2002.Sugar machinery-Evaporators.QB 2553规定了制糖机械中蒸发罐的产品分类、基本参数、技术要求、试验方法、验收规则、标志及涂漆、包装...
QB 2552 -2002.Technological condition of steel dryers used in paper machinery.1范围QB 2552规定了造纸机械用钢制烘缸的技术要求、试验方法与检验规则、标志、...
QB 2550-2002.Aerosol polisher for furniture with LPG and/ or DME as propellants.4.4 耐热4.4.1 仪器a)温度计: 精度1C;b)恒温水浴槽: 温控精度士1C.4.4.2操作预先将恒...
QB 2549-2002.Safety regulation for aerosol products with LPG and/ or DME as propellants.QB 2549规定了一般气雾剂产品的安全技术要求、试验方法和标志、包装、运...
QB 2548-2002.Aerosol air freshener with LPG and/or DME as propellants.4.2 色泽按产品使用方法,将内容物喷射到白色的滤纸上观察。4.3 香型按产品使用方法...
SJ 20337-1993.Detail specification for model JQX-19M sealed d.c. electromagnetic relay.SJ 20337规定的继电器,其全部要求由本规范和GJB1042-90《电磁继电器总规范》...
SJ 20336-1993.Detail specification for subminiature(20.5x10.5X 10.5) hermetically sealed magnetic latching relay.SJ 20336规定的继电器,其全部要求由本规范和GJB1042-90《...










