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GB/T 34877.4-2024 Industrial fans-Determination of sound power level of fans under standard laboratory conditions-Part 4: Sound intensity method 工业风机-标准实验室条件下风机声功率级的测定-第4部分：声强法 - 英文版 |
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GB/T 34877.2-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 2: Reverberation chamber method 工业风机 标准实验室条件下风机声功率级的测定 第2部分：混响室法 - 英文版 |
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GB/T 34877.1-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 1: General requirements 工业风机 标准实验室条件下风机声功率级的测定 第1部分：通用要求 - 英文版 |
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GB/T 10739-2023 Paper, paperboard and pulp Standard atmospheric conditions for specimen handling and testing 纸、纸板和纸浆 试样处理和试验的标准大气条件 - 英文版 |
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GB/T 34877.3-2017 Industrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part3:Enveloping surface methods 工业风机 标准实验室条件下风机声功率级的测定 第3部分：包络面法 - 英文版 |
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GB/T 10580-2015 Standard conditions for use prior to and during the testing of solid electrical insulating materials 固体绝缘材料在试验前和试验时采用的标准条件 - 英文版 |
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GB/T 31445-2015 Standard for expressway traffic safety control under fog weather conditions 雾天高速公路交通安全控制条件 - 英文版 |
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GB/T 25962-2010 Standard test method for determining the leakage tendencies of automotive wheel bearing grease under accelerated conditions 高速条件下汽车轮毂轴承润滑脂漏失量测定法 - 英文版 |
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GB/T 19205-2008 Natural gas standard reference conditions 天然气标准参比条件 - 英文版 |
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GB/T 3978-2008 Standard illuminants and geometric conditions 标准照明体和几何条件 - 英文版 |
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GB/T 16450-2004 Routine analytical cigarette-smokingmachine-Definitions and Standard conditions 常规分析用吸烟机 定义和标准条件 - 英文版 |
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GB/T 17291-1998 Petroleum liquid and gas measurement--Standard reference conditions 石油液体和气体计量的标准参比条件 - 英文版 |
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GB/T 12857-1991 Methods of measurement under conditions different from broadcast signal standards on receivers for television broadcast transmissions 电视广播接收机在非标准广播信号条件下的测量方法 - 英文版 |
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