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JPS60249673A
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Hydraulic turbine
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JPS60195383A
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Generating set utilizing fixed weir of river
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JPS58184502A
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Micrometer for measuring both inner and outer diameters
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JPS58156101A
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Boiler
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JPS58135378A
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Wave actuated power plant
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JPS58119701A
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Vehicular power source in linear motor car
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JPS5891371A
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Water wheel
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JPS5862599A
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Atomic power plant
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JPS5861788A
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Washing method and machine
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JPS5831927A
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Hydroponic container
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JPS5833551A
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Driving device for wiper of automobile
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JPS585560A
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Electromagnetic speed change gear
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JPS57193961A
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Electric power generating device by vibration
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JPS57188782A
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Power generator by wind force
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