CN101876381A
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Electrically-operated servo valve and method for controlling same
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CN101877521A
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Multi-section servo submersible motor
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CN101876559A
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Position detecting device and signal processing device and method thereof
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CN101876126A
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Electric sewing machine
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CN101876125A
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Electric sewing machine
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CN101876557A
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Position detecting device and signal processing device and method thereof
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CN101876239A
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Pumping unit system and power saving control method thereof
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CN101875199A
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Reduction gear and control method thereof
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CN101877267A
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Magnetoconductive ring
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CN101875342A
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Electric windshield wiper of automobile and control method thereof
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CN101876558A
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Position detecting device and signal processing device and method thereof
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CN101875369A
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Servo power-assisting steering system and a method for controlling same
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CN101877525A
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Electric motor
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CN101876556A
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Position detector and signal processing device thereof
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CN101876375A
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Sealing device
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CN101532486A
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Hydraulic pump, oil pumping unit, oil pumping module and oil pumping system
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