GB/T 39431-2020.Plain bearings-Bearings containing dispersed solid lubricants. 1范围 GB/T 39431规定了含有分散...

GB/T 5100-2020.Welded steel gas cylinders. 1范围 GB/T 5100规定了钢质焊接气瓶(以下简称钢瓶)的基本参数、技术要求、试验方法、检验规则和标志、包装、...

GB/T 11638-2020.Acetylene cylinders. 1范围 GB/T 11638规定了乙炔气瓶的规格系列技术要求、试验方法、检验规则标志、涂敷、包装及充装、运输、贮存和使用。 G...

GB/T 17268-2020.Non-refillable steel welded cylinders for industrial use. 1范围 GB/T 17268规定了工业用非重复充装焊...

GB/T 2350-2020.Fluid power systems and components-Cylinder piston rod thread types and dimensions. 1...

GB/T 8102-2020.Pneumatic fluid power-Single rod cylinders, bores from 8 mm to 25 mm-Mounting dimensi...

GB/T 2346-2003.Fluid power systems and components-Nominal pressures. 1范围 GB/T 2346规定了流体传动系统及元件的公称压力系...

GB/T 39485-2020.Safety and control devices for gas burners and gas-burning appliances-Particular req...

GB/T 39488-2020.Safety and control devices for gas burners and gas-burning appliances-Particular req...

GB/T 39493-2020.Safety and control devices for gas burners and gas-burning appliances-Particular req...