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JPH0451814A
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Reaping blade plate made of synthetic resin
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JPH0433784A
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Scale marking method for metallic ruler
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JPS5452268A
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Inversible clutch
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JPS5418282A
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Method of forming electrode improved for rectification efficiency of planar germanium diode
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JPS5418274A
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Method of forming electrode improved for heat resistance of planar germanium diode element
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JPS5418278A
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Method of producing thick oxide film of germanium semiconductor
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JPS5333319A
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Regulated dccdc converter
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JPS5310850A
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Switching regulator controlling circuit
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JPS5310849A
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Selffstart stabilizing switching regulator
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JPS52149315A
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Converter protector
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JPS52123631A
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Switching constant current source for charge in electronic copying machine
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JPS5215960A
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Correctly and inversely rotating spring clutch
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JPS51111546A
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Reversible electromagnetic clutch
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