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81. GB/T 5170.18-2005电工电子产品环境试验设备基本参数检定方法 温度/湿度组合循环试验设备Inspection methods for basic paratmeters of environmental testing equipments for electric and electronic products--Composite temperature/humidity cyclic testing equipments [22%]
GB/T 5170.18-2005电工电子产品环境试验设备基本参数检定方法 温度/湿度组合循环试验设备Inspection methods for basic paratmeters of environmental testing equipments for electric and electronic products--Composite temperature/humidity cyclic testing equipments
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2022-10-16 01:27:01
82. JIS C3660-513-2019 电缆和光缆--非金属材料的试验方法--第513部分：机械试验--聚乙烯和聚丙烯化合物专用方法--调节后的缠绕试验 Electric and optical fibre cables -- Test methods for non-metallic materials -- Part 513: Mechanical tests -- Methods specific to polyethylene and polypropylene compounds -- Wrapp [22%]
JIS C3660-513-2019 电缆和光缆--非金属材料的试验方法--第513部分：机械试验--聚乙烯和聚丙烯化合物专用方法--调节后的缠绕试验 Electric and optical fibre cables -- Test methods for non-metallic materials -- Part 513: Mechanical tests -- Methods specific to polyethylene and polypropylene compounds -- Wrapp
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2023-10-30 09:36:02
83. ISO 720-2020 玻璃--121℃下玻璃颗粒的耐水解性--试验和分类方法 Glass — Hydrolytic resistance of glass grains at 121 °C — Method of test and classification [22%]
ISO 720-2020 玻璃--121℃下玻璃颗粒的耐水解性--试验和分类方法 Glass — Hydrolytic resistance of glass grains at 121 °C — Method of test and classification
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2023-10-03 00:24:01
84. ASTM C809-2019 核级氧化铝和氧化铝-碳化硼合成团粒的化学分析、质谱分析及光谱化学分析的试验方法 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Aluminum Oxide and AluminumOxide-Boron Carbide Composite Pellets [22%]
ASTM C809-2019 核级氧化铝和氧化铝-碳化硼合成团粒的化学分析、质谱分析及光谱化学分析的试验方法 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Aluminum Oxide and AluminumOxide-Boron Carbide Composite Pellets
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2023-07-22 18:12:01
85. SJ 20789-2000MOS场效应晶体管热敏参数快速筛选试验方法Rapid screening test methods for Thermal sensitive parameter of MOS field effect transistor [22%]
SJ 20789-2000MOS场效应晶体管热敏参数快速筛选试验方法Rapid screening test methods for Thermal sensitive parameter of MOS field effect transistor
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2022-09-13 20:24:01
86. IEC 60749-15-2020 半导体器件--机械和气候试验方法--第15部分:通孔安装器件的耐焊接温度 Semiconductor devices – Mechanical and climatic test methods – Part 15: Resistance to soldering temperature for through-hole mounted devices [22%]
IEC 60749-15-2020 半导体器件--机械和气候试验方法--第15部分:通孔安装器件的耐焊接温度 Semiconductor devices – Mechanical and climatic test methods – Part 15: Resistance to soldering temperature for through-hole mounted devices
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2023-08-24 14:12:01
87. JIS C5954-4-2017 光传输用动部件--测试和测量方法--第4部分:gpon用光收发器 Fiber optic active components and devices -- Test and measurement procedures -- Part 4: GPON transceivers [22%]
JIS C5954-4-2017 光传输用动部件--测试和测量方法--第4部分:gpon用光收发器 Fiber optic active components and devices -- Test and measurement procedures -- Part 4: GPON transceivers
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2024-01-14 23:36:02
88. ASTM C497-2018混凝土管、人孔构件或瓦管试验方法Standard Test Methods for Concrete Pipe,Manhole Sections,or Tile [22%]
ASTM C497-2018混凝土管、人孔构件或瓦管试验方法Standard Test Methods for Concrete Pipe,Manhole Sections,or Tile
标准下载
2023-04-18 02:00:02
89. ASTM C110-2016 生石灰、熟石灰和石灰石物理试验方法 Standard Test Methods for Physical Testing of Quicklime,Hydrated Lime,and Limestone [22%]
ASTM C110-2016 生石灰、熟石灰和石灰石物理试验方法 Standard Test Methods for Physical Testing of Quicklime,Hydrated Lime,and Limestone
标准下载
2023-07-19 03:24:02
90. ASTM C67-2016 砖和粘土空心砖取样及测试方法 Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile [22%]
ASTM C67-2016 砖和粘土空心砖取样及测试方法 Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile
标准下载
2023-06-04 14:12:01