YD/T 841.1-2016.Plastic duct for telecommunication underground conduit Part 1: general.1范围YD/T 841.1规定了地下通信管道用塑料管的符号、产品分类和型号、试验...
YD/T 841.2-2016.Plastic duct for telecommunication underground conduit Part 2: Solid-wall duct.1范围YD/T 841.2规定了地下通信管道用实壁管材的产品型号、分类、结...
YD/T 841.3-2016.Plastic duct for telecommunication underground conduit Part 3: Double-wall corrugated duct.1范围YD/T 841.3规定了地下通信管道用双壁波纹管的产品型号...
YD/T 841.4-2016.Plastic duct for telecommunication underground conduit Part 4: Silicore plastic duct.1范围YD/T 841.4规定了地下通信管道用高密度聚乙烯硅芯管(以下简...
TB/T 1818-2009.Components of diesel engine for locomotive and rail car Connecting rod.1范围TB/T 1818规定了机车、动车用柴油机连杆(包括连杆体和连杆盖，下同...
YY/T 0771.4-2015/ISO/TR 22442-4 :2010.Medical devices utilizing animal tissues and their derivatives-Part 4:Principles for elimination and/or inactivation of transmissible spongifor...
TB/T 1808-2007.Electric Equipment and Cooling-heating Equipment for Railway Mechanical Refrigerator Car.1范围TB/T 1808规定了新造铁道机械冷藏车电气装置和制冷加温...
TB/T 1792.3-1999.1范围TB/T 1792.3规定了货车用空重车指示牌M型的型式与尺寸、技术要求及标记等。TB/T 1792.3适用于空气制动装置装用103型货车空气...
YY 0989.7-2017/ISO 14708-7 :2013.Implants for surgery- Active implantable medical devices-Part 7 : Particular requirements for cochlear implant systems.YY0989的本部分规定了适用...
TB/T 1791.2-1999.1范围TB/T 1791.2规定了货车用制动缸后杠杆的型式与尺寸、技术要求及标记等。TB/T 1791.2适用于制动缸直径为254~356 mm的铁道货车。...
