国家标准_第384页 - 在线标准查询

GB/T 38682-2020 流体输送用镍-铁-铬合金焊接管

GB/T 38682-2020.Welded nickel-iron-chromium alloy pipes for fluid service.1范围GB/...

GB/T 6931.2-2020.Belt drives-Vocabulary-Part 2 : V-belts and V-ribbed belt drive...

GB/T 4156-2020.Metallic materials-Sheet and strip-Erichsen cupping test.1范围GB/T...

GBZ 169-2020.Diagnostic procedure and requirement for occupational radiation sic...

GB 28232-2020.Hygienic requirements for ozone disinfector.1范围GB 28232规定了臭氧消毒器的原材...

GB/T 5137.2-2020.Test methods of safety glazing materials used on road vehicles-...

GB/T 38684-2020.Metallic materials-Sheet and strip-Biaxial stress-strain curve b...

GB/T 50507-2019.Standard for design of tank car cleaning facilities.1总则1.0.1 为保障...

GB/T 38405-2019.Leather and fur-Chemical tests-Determination of short-chain chlo...

GB/T 20840.102-2020.Instrument transformers-Part 102 : Ferroresonance oscillatio...

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