QB/T 3503-1999.Insulating pressboard.4.5电气强度的测定按GB/T 1408《固体电工绝缘材料工频击穿电压、击穿强度和耐电压试验方法》的规定进行,采用连...
JT/T 823-2019 Technical conditions for medium-voltage power distribution system of large highway bridges.1范围JT/T 823规定了大型公路桥梁中压配电系统的-般特性、配...
QB/T 3502—1999.Vulanized fiber for the cotton yarn container.5.2棉条筒钢纸板交收试验批的单位产品按包装单位以箱纸板计。5.3采用二次正常抽样检查方...
JT/T 815.2-2019 Shore-to-ship power supply system operating procedure-Part 2:Low voltage.1范围JT/T 815.2规定了港口船舶岸基供电系统低压供电操作的基本要求.以及...
JT/T 815.1-2019 Shore-to-ship power supply system operating procedure-Part 1 :High voltage.1范围JT/T 815.1规定了港口船舶岸基供电系统高压供电操作的基本要求,以...
QB/T 3501-1999.Playing cardboard.3.3厚薄应一致,纤维组织应均匀。3.4同批纸板色泽应基本一致,白度差不超过3%。3.5纸板要求平整、光洁,不应有翘边。...
JT/T 809-2019 GNSS system for operating vehicles-General specifications for data exchange between platforms.1范围JT/T 809规定了道路运输车辆卫星定位系统监管与监护...
JT/T 808-2019 Global navigation satellite system for vehicles engaged in road transport-General specifications for vehicle terminal communication protocol and data format.1范围JT/...
QB/T 2973—2008.Fur—Physical and mechanical tests-Determination of resistance to flame.1范围QB/T 2973规定了毛皮阻燃性能的测定方法。本标准适用于有阻燃性要...
JT/T 797-2019 Ground vulcanized rubber of scrap tires for highway engineering.1范围JT/T 797规定了路用废胎橡胶粉的分类和规格、技术要求、试验方法、检验规...
