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JPS61145374A
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Sinking type generating device utilizing water pressure
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JPS6198696A
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Power generating device that uses hydraulic pressure at ship's bottom
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JPS6154830A
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Rotary power system by exchange night charge in plural electromagnetic flywheel mechanisms
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JPS6022460A
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Accelerating rotary prime mover
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JPS5968574A
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Gravitational rotary prime mover
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JPS5958167A
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Simple automatic power-generator applying specific gravity
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JPS5765878A
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Water-layer submersion type simple full automatic power generation set
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JPS5576769A
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Progressive electric driven unit
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JPS5577347A
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Rotary accelerator device
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JPS52305A
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Automatic generation unit
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JPS52307A
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Advance-able electrically-driven device
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