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JPS6172880A
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Driving device using temperature differential
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JPS60237175A
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Temperature difference utilized driving device
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JPS60175776A
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Drive system utilizing temperature difference
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JPS6095192A
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Center of gravity shifting type heat engine
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JPS6053677A
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Seesaw type centroid-shiftable thermal engine
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JPS6013989A
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Seesaw system center of gravity moving type heat engine
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JPS59226284A
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Center of gravity moving type heat engine
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JPS5623828A
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Deep sea water withdrawing apparatus
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JPS54157994A
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Shipping provided with propelling device by natural force
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JPS5327889A
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Simultaneous printer for thermoplastic container forming apparatus
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JPS52127537A
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Temperature difference availling actuator
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JPS51116084A
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Bed for sick persons
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