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SIS SS(B) 14 21 67-1986 Reinforcing steel《钢筋混凝土 钢筋》.pdf 5

SIS SS(B) 14 21 67-1986 Reinforcing steel《钢筋混凝土 钢筋》.pdfSIS SS(B) 14 21 67-1986 Reinforcing steel《钢筋混凝土 钢筋》.pdf

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SIS SS(B) 14 21 65-1986 Reinforcing steel《钢筋》.pdf 5

SIS SS(B) 14 21 65-1986 Reinforcing steel《钢筋》.pdfSIS SS(B) 14 21 65-1986 Reinforcing steel《钢筋》.pdf

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SIS SS(B) 14 21 64-1986 Reinforcing steel《钢筋》.pdf 5

SIS SS(B) 14 21 64-1986 Reinforcing steel《钢筋》.pdfSIS SS(B) 14 21 64-1986 Reinforcing steel《钢筋》.pdf

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SIS SS(B) 14 14 11-1986 Reinforcing steel《钢筋》.pdf 5

SIS SS(B) 14 14 11-1986 Reinforcing steel《钢筋》.pdfSIS SS(B) 14 14 11-1986 Reinforcing steel《钢筋》.pdf

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SIS SS IEC 93-1983 Methods of test for volume résistivity and surface resistivityof solid electrical insulating materials 《固体绝缘材料体积电阻率和表面电阻率测试方法》.pdf 1

SIS SS IEC 93-1983 Methods of test for volume résistivity and surface resistivityof solid electrical insulating materials 《固体绝缘材料体积电阻率和表面电阻率测试方法》.pdfSIS SS IEC 93-1983 Methods of test for volume résistivity and surface resistivityof solid electrical insulating materials 《固体绝缘材料体积电阻率和表面电阻率测试方法》.pdf

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SIS SS IEC 332-1-1985 Cables - Tests on electric cables under fire conditions - Part 1 Test on a single vertical insulated wire or cable《电缆 失火情况下电缆检测 第一部分：单根立式绝缘电线或电缆测试》.pdf 1

SIS SS IEC 332-1-1985 Cables - Tests on electric cables under fire conditions - Part 1 Test on a single vertical insulated wire or cable《电缆 失火情况下电缆检测 第一部分：单根立式绝缘电线或电缆测试》.pdfSIS SS IEC 332-1-1985 Cables - Tests on electric cables under fire conditions - Part 1 Test on a single vertical insulated wire or cable《电缆 失火情况下电缆检测 第一部分：单根立式绝缘电线或电缆测试》.pdf

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SIS SS IEC 327-1985 Acoustics - Precision method for pressure calibration of one-inch standard condenser microphones by the reciprocity technique《音响效果 采用互易技术进行的1英寸标准电容器麦克风压力精确校准方法》.pdf 1

SIS SS IEC 327-1985 Acoustics - Precision method for pressure calibration of one-inch standard condenser microphones by the reciprocity technique《音响效果 采用互易技术进行的1英寸标准电容器麦克风压力精确校准方法》.pdfSIS SS IEC 327-1985 Acoustics - Precision method for pressure calibration of one-inch standard condenser microphones by the reciprocity technique《音响效果 采用互易技术进行的1英寸标准电容器麦克风压力精确校准方法》.pdf

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SIS SS IEC 325-1988 Nuclear instrumentation Alpha beta and alpha-beta contamination meters and monitors《核检测仪表 α、β及α β放射性污染测量计及监测器》.pdf 3

SIS SS IEC 325-1988 Nuclear instrumentation Alpha beta and alpha-beta contamination meters and monitors《核检测仪表 α、β及α β放射性污染测量计及监测器》.pdfSIS SS IEC 325-1988 Nuclear instrumentation Alpha beta and alpha-beta contamination meters and monitors《核检测仪表 α、β及α β放射性污染测量计及监测器》.pdf

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SIS SS IEC 324-1981 Ceramic dielectric capacitors C ass 3《陶瓷绝缘性电容器，3级》.pdf 1

SIS SS IEC 324-1981 Ceramic dielectric capacitors C ass 3《陶瓷绝缘性电容器，3级》.pdfSIS SS IEC 324-1981 Ceramic dielectric capacitors C ass 3《陶瓷绝缘性电容器，3级》.pdf

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SIS SS IEC 318-1985 Acoustics - An IEC artificial ear of the wide band type for the calibration of earphones used in audiometry《音响效果 听力测试中耳机校准用的宽频带型IEC标准人工耳》.pdf 1

SIS SS IEC 318-1985 Acoustics - An IEC artificial ear of the wide band type for the calibration of earphones used in audiometry《音响效果 听力测试中耳机校准用的宽频带型IEC标准人工耳》.pdfSIS SS IEC 318-1985 Acoustics - An IEC artificial ear of the wide band type for the calibration of earphones used in audiometry《音响效果 听力测试中耳机校准用的宽频带型IEC标准人工耳》.pdf

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