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TS 2976-1978 Methods For the Chemical Analysis of Iron and Steels Stainless Steels High Temperature Resisting Steels and Similar Chromium-Nickel-Iron Alloys Determination of Cobalt.pdf 13

TS 2976-1978 Methods For the Chemical Analysis of Iron and Steels Stainless Steels High Temperature Resisting Steels and Similar Chromium-Nickel-Iron Alloys Determination of Cobalt.pdfTS 2976-1978 Methods For the Chemical Analysis of Iron and Steels Stainless Steels High Temperature Resisting Steels and Similar Chromium-Nickel-Iron Alloys Determination of Cobalt.pdf

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TS 2713-1977 Methods Of Measurement On Radio Receivers For Various Classes Of Emission Part I General Condidions For Measurements Measuring Methods Applying To Several Types Of Rec.pdf 61

TS 2713-1977 Methods Of Measurement On Radio Receivers For Various Classes Of Emission Part I General Condidions For Measurements Measuring Methods Applying To Several Types Of Rec.pdfTS 2713-1977 Methods Of Measurement On Radio Receivers For Various Classes Of Emission Part I General Condidions For Measurements Measuring Methods Applying To Several Types Of Rec.pdf

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TS 2712-1977 Dimensions Of The Mating Part Of Radio-Frequency Connectors《射频连接器接合部件的尺寸》.pdf 25

TS 2712-1977 Dimensions Of The Mating Part Of Radio-Frequency Connectors《射频连接器接合部件的尺寸》.pdfTS 2712-1977 Dimensions Of The Mating Part Of Radio-Frequency Connectors《射频连接器接合部件的尺寸》.pdf

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TS 2711-1977 RECOMMENDATIONS FOR SOUND LEVEL METERS《声级计推荐值》.pdf 14

TS 2711-1977 RECOMMENDATIONS FOR SOUND LEVEL METERS《声级计推荐值》.pdfTS 2711-1977 RECOMMENDATIONS FOR SOUND LEVEL METERS《声级计推荐值》.pdf

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TS 2710-1977 ACOUSTICS DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES PRECISION METHODS FOR BROAD BAND SOURCES IN REVERBERATION ROOMS《声学 噪声源的声功率级的测定 混响室中宽频带噪声源的精确测定方法》.pdf 22

TS 2710-1977 ACOUSTICS DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES PRECISION METHODS FOR BROAD BAND SOURCES IN REVERBERATION ROOMS《声学 噪声源的声功率级的测定 混响室中宽频带噪声源的精确测定方法》.pdfTS 2710-1977 ACOUSTICS DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES PRECISION METHODS FOR BROAD BAND SOURCES IN REVERBERATION ROOMS《声学 噪声源的声功率级的测定 混响室中宽频带噪声源的精确测定方法》.pdf

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TS 271-1965 CUPPING TEST FOR METALLIC SHEET AND STRIP《金属板材和带材杯突试验》.pdf 9

TS 271-1965 CUPPING TEST FOR METALLIC SHEET AND STRIP《金属板材和带材杯突试验》.pdfTS 271-1965 CUPPING TEST FOR METALLIC SHEET AND STRIP《金属板材和带材杯突试验》.pdf

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TS 2448-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 8 Measurement of Cathode Heating Time and Heater Warm-Up Time《电子管和电子阀电气性能的测试 第8部分：阴极加热时间和.pdf 9

TS 2448-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 8 Measurement of Cathode Heating Time and Heater Warm-Up Time《电子管和电子阀电气性能的测试 第8部分：阴极加热时间和.pdfTS 2448-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 8 Measurement of Cathode Heating Time and Heater Warm-Up Time《电子管和电子阀电气性能的测试 第8部分：阴极加热时间和.pdf

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TS 2447-1976 Measurement of the Electrical Properties of Electronic Tubes and Valves Part 7 Measurement of Equivalent Noise Resistance《电子管和电子阀电气性能的测试 第7部分：等效噪声电阻的测试》.pdf 9

TS 2447-1976 Measurement of the Electrical Properties of Electronic Tubes and Valves Part 7 Measurement of Equivalent Noise Resistance《电子管和电子阀电气性能的测试 第7部分：等效噪声电阻的测试》.pdfTS 2447-1976 Measurement of the Electrical Properties of Electronic Tubes and Valves Part 7 Measurement of Equivalent Noise Resistance《电子管和电子阀电气性能的测试 第7部分：等效噪声电阻的测试》.pdf

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TS 2445-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 5 Methods of Measuring Hiss and Hum《电子管和电子阀电气性能的测试 第5部分：啸声和哼声的测试》.pdf 7

TS 2445-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 5 Methods of Measuring Hiss and Hum《电子管和电子阀电气性能的测试 第5部分：啸声和哼声的测试》.pdfTS 2445-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 5 Methods of Measuring Hiss and Hum《电子管和电子阀电气性能的测试 第5部分：啸声和哼声的测试》.pdf

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TS 2444-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 4 Methods of Measuring Noise Factor《电子管和电子阀电气性能的测试 第4部分：噪声系数的测试方法》.pdf 8

TS 2444-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 4 Methods of Measuring Noise Factor《电子管和电子阀电气性能的测试 第4部分：噪声系数的测试方法》.pdfTS 2444-1976 Measurements of the Electrical Properties of Electronic Tubes and Valves Part 4 Methods of Measuring Noise Factor《电子管和电子阀电气性能的测试 第4部分：噪声系数的测试方法》.pdf

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