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81. GB/T 21021.1-2021无源射频和微波元器件的互调电平测量 第1部分：一般要求和测量方法Intermodulation level measurement for passive RF and microwave devices. Part 1: General requirements and measuring methods [2%]
GB/T 21021.1-2021无源射频和微波元器件的互调电平测量 第1部分：一般要求和测量方法Intermodulation level measurement for passive RF and microwave devices. Part 1: General requirements and measuring methods
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2022-03-14 21:38:47
82. GB/T 40991-2021微量物证的提取、包装方法Collecting and packaging methods for trace evidence [2%]
GB/T 40991-2021微量物证的提取、包装方法Collecting and packaging methods for trace evidence
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2022-03-14 21:38:58
83. GB/T 40979-2021智能家用电器个人信息保护要求和测评方法Personal information protection requirements and test methods for intelligent household appliances [2%]
GB/T 40979-2021智能家用电器个人信息保护要求和测评方法Personal information protection requirements and test methods for intelligent household appliances
标准下载
2022-03-14 21:39:02
84. GB/T 40977-2021家用洗衣机 降低微生物污染测试方法Clothes washing machines for household use. Method for measuring the microbial contamination reduction [2%]
GB/T 40977-2021家用洗衣机 降低微生物污染测试方法Clothes washing machines for household use. Method for measuring the microbial contamination reduction
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2022-03-14 21:39:03
85. GB/T 40974-2021核酸样本质量评价方法Quality evaluation methods of the nucleic acid [2%]
GB/T 40974-2021核酸样本质量评价方法Quality evaluation methods of the nucleic acid
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2022-03-14 21:39:04
86. GB/T 40968-2021乐器产品中多环芳烃的测试方法Test method of polycyclic aromatic hydrocarbons in musical instrument [2%]
GB/T 40968-2021乐器产品中多环芳烃的测试方法Test method of polycyclic aromatic hydrocarbons in musical instrument
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2022-03-14 21:39:05
87. GB/T 40965-2021回复反射的测量方法Measurement of retroreflection [2%]
GB/T 40965-2021回复反射的测量方法Measurement of retroreflection
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2022-03-14 21:39:06
88. GB/T 40961-2021岩石三轴试验仪校验方法Calibration methods of rock triaxial testing apparatus [2%]
GB/T 40961-2021岩石三轴试验仪校验方法Calibration methods of rock triaxial testing apparatus
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2022-03-14 21:39:08
89. GB/T 40937-2021塑料管道系统 塑料复合管材和管件长期强度的测定方法Plastic piping systems. Determination of long-term strength for plastic composite pipes and fittings [2%]
GB/T 40937-2021塑料管道系统 塑料复合管材和管件长期强度的测定方法Plastic piping systems. Determination of long-term strength for plastic composite pipes and fittings
标准下载
2022-03-14 21:39:14
90. GB/T 40934-2021滚塑成型 粉末流动性的试验方法Rotational moulding. Test method for powder flowability [2%]
GB/T 40934-2021滚塑成型 粉末流动性的试验方法Rotational moulding. Test method for powder flowability
标准下载
2022-03-14 21:39:15