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Flexible heating wire
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Patent number 4,742,212
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Issue date May 3, 1988
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Matsushita Electric Industrial Co., Ltd.
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Kazunori Ishii
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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PTC heating wire
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Patent number 4,661,690
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Issue date Apr 28, 1987
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Matsushita Electric Industrial Co., Ltd.
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Shuji Yamamoto
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Flexible heating wire
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Patent number 4,575,620
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Issue date Mar 11, 1986
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Matsushita Electric Industrial Co., Ltd.
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Kazunori Ishii
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR