GB/T 34020.1-2017
双层卷焊钢管 第1部分:冰箱管路系统用管
Double wall copper-brazed steel tubes—Part 1:Tubing system for refrigerator
- 实施日期
- 2018-04-01
- ICS 分类
- 77.140.75
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 34020.1-2017
Double wall copper-brazed steel tubes—Part 1:Tubing system for refrigerator
GB/T 33976-2017
Corrosion resistant hot rolled section steel for cargo oil tanks
GB/T 33975-2017
Hot-rolled spring steel wire rod for high-speed railway fastener
GB/T 33974-2017
Hot rolling checker steel sheet and strip
GB/T 33973-2017
Guides for energy efficiency assessment of raw material yard of iron and steel enterprise
GB/T 33972-2017
Hot rolled steel sheet and strip for bogie frame of high-speed train
GB/T 33971-2017
Hot rolled wide strips for coal slurry line pipe
GB/T 33970-2017
Al2O3 dispersion strengthened copper sheet for resistance welding electrode
GB/T 33969-2017
Technical specification for injecting pulverized coal with oxygen-enriched into blast furnace
GB/T 33968-2017
Hot rolled steel sections with improved weldability
GB/T 33967-2017
Wire rods for conversion to wire without intermediate heat treatment
GB/T 33966-2017
Seamless abrasion-resistant steel pipes for mortar service
GB/T 33965-2017
Metallic materials—Tensile testing—Determination of thickness reduction ratio for rectangular specimen
GB/T 33964-2017
Wire rods for welding solid electrodes of atmospheric corrosion resisting steels
GB/T 33963-2017
Steel plates and sheets for truck carriage
GB/T 33962-2017
Methods of determination and calculation of heat balance in coke oven
GB/T 33961-2017
Technical specification for wastewater treatment of coking
GB/T 33960-2017
Aluminum and aluminum alloy welding wires for pressure vessel
GB/T 33959-2017
Stainless steel bars for the reinforcement of concrete
GB/T 33958-2017
Wire rods for pipe line steel SAW electrodes