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JPH0232773A
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Perpetual motion machine
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JPH0199481A
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Permanent engine
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JPS62239878A
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Perpetual engine
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GB8419405D0
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Oil palm fibre and rubberised oil palm fibre, process for their production and articles made therefrom
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JPS6018097A
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Print voice coil for speaker
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JPS58192568A
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Game for competing eat or be eaten by alternately connecting card simulated to snake
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JPS58192518A
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Simultaneous cleaning of both surfaces of window glass by using two magnet boards
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JPS53115925A
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Method of producing valve protector for containers for high pressure gases
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JPS5232137A
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Automatic shut off valve for extinguished gas by spilling at cooking
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JPS51119281A
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Gas leakage detector
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JPS51119282A
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Gas leakage detector
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JPS51119283A
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Gas leakage detector
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