百检检测-材料检测中心-材料第三方检测机构-材料检测单位检测标准
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GB/T5252-2020锗单晶位错密度的测试方法
2023-09-15GB/T 5252-2020.Test method for dislocation density of monocrystal germanium.1范围GB/T 5252
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GB/T38938-2020高强度低膨胀合金
2023-09-15GB/T 38938-2020.High strength and low expansion alloy.1范围GB/T 38938规定了高强度低膨胀合
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GB/T38875-2020核电用耐高温抗腐蚀低活化马氏体结构钢板
2023-09-15GB/T 38875-2020.Reduced activation martensitic steel plates with heat-resistance and corro
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GB/T38949-2020多孔膜孔径的测定标准粒子法
2023-09-15GB/T 38949-2020.Determination of pore size for porous membranes-Standard particle method.1
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GB/T38966-2020可持续水管理评价要求
2023-09-15GB/T 38966-2020.Assessment requirements for water stewardship.1范围GB/T 38966规定了组织开
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GB/T38885-2020超高洁净高碳铬轴承钢通用技术条件
2023-09-15GB/T 38885-2020.General specification for ultra-high cleanliness of high carbon chromium b
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GB/T38886-2020高温轴承钢
2023-09-15GB/T 38886-2020.High temperature bearing steel.1范围GB/T 38886规定了高温轴承钢的订货内容、
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GB/T38918-2020民用飞机起落架结构设计与仿真
2023-09-15GB/T 38918-2020.Civil airplane landing gear structure design and simulation.1范围GB/T 3891
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GB/T38754-2020IPTV媒体交付系统技术要求流媒体服务
2023-09-15GB/T 38754-2020.Technical requirements for IPTV media delivery system-Streaming media serv
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GB/T38888-2020数据采集软件的性能及校准方法
2023-09-15GB/T 38888-2020.Performance and calibration methods for data acquisition software.1范围GB/
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GB/T38817-2020大线能量焊接用钢
2023-09-15GB/T 38817-2020.Steel for high heat input welding.1范围GB/T 38817规定了大线能量焊接用钢的
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GB/T38877-2020电工钢带(片)绝缘涂层
2023-09-15GB/T 38877-2020.Insulating coatings for the electrical steel strip( sheet).1范围GB/T 38877
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GB/T38914-2020车用质子交换膜燃料电池堆使用寿命测试评价方法
2023-09-15GB/T 38914-2020.Evaluation method for lifetime of proton exchange membrane fule cell stack
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GB/T38812.1-2020直接还原铁亚铁含量的测定三氯化铁分解重铬酸钾滴定法
2023-09-15GB/T 38812.1-2020.Direct reduced iron-Determination of iron( II ) content-The potassium di
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GB/T38895-2020无损检测电磁声换能器(EMATs)指南
2023-09-15GB/T 38895-2020.Non-destructive testing-Guidelines for electromagnetic acoustic transducer
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GB/T20671.5-2020非金属垫片材料分类体系及试验方法第5部分:垫片材料蠕变松弛率试验方法
2023-09-15GB/T 20671.5-2020.Classification system and test methods for nonmetallic gasket materials-
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GB/T38913-2020核级锆及锆合金管材氢化物取向因子检测方法
2023-09-15GB/T 38913-2020.Test methods for hydride orientation fraction of nuclear grade zirconium a
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GB/T38912-2020锆管室温闭端爆破试验方法
2023-09-15GB/T 38912-2020.Test method for closed-end burst of zirconium tubes at room temperature.1
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GB/T38804-2020金属材料高温蒸汽氧化试验方法
2023-09-15GB/T 38804-2020.Test method for oxidation of metallic materials exposed in high-temperatur
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GB/T38920-2020危险废物储运单元编码要求
2023-09-15GB/T 38920-2020.Coding requirements for dispatch unit of hazardous waste.1范围GB/T 38920规
