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Delay switch with delay unit
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Patent number 6,252,185
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Issue date Jun 26, 2001
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Matsushita Electric Works, Ltd.
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Kiwamu Shibata
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H01 - BASIC ELECTRIC ELEMENTS
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Circuit breaker
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Patent number 4,514,709
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Issue date Apr 30, 1985
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Matsushita Electric Works, Ltd.
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Kunimitsu Nakano
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H01 - BASIC ELECTRIC ELEMENTS
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Circuit protecting sensor
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Patent number 4,427,959
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Issue date Jan 24, 1984
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Matsushita Electric Works, Ltd.
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Takaaki Chuzawa
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H01 - BASIC ELECTRIC ELEMENTS