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GB/Z 16935.6-2016
低压系统内设备的绝缘配合 第2-2部分:交界面考虑 应用指南
Insulation coordination for equipment within low-voltage systems—Part 2-2: Interface considerations—Application guide
GB/T 32475-2016
Rubber hose and hose assemblies for coal seam water injection,gas drainage and drilling plugging
GB/T 32557.1-2016
Polygonal taper interface with flange contact surface—Part 1: Dimensions and designation of shanks
GB/T 32488-2016
Ductile iron pipes and fittings——Seal coats for cement mortar linings
GB/T 5335-2008
Automobile pressure test connection for hydraulic braking equipment
GB/T 32477-2016
Plastics—Determination of total chlorine content in toluene diisocyanates for use in the production of polyurethanes





