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Method of manufacturing circuit board
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Patent number 7,047,629
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Issue date May 23, 2006
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Matsushita Electric Industrial Co., Ltd.
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Shinobu Kokufu
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Mask film having a non-parting portion
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Patent number 6,694,612
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Issue date Feb 24, 2004
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Matsushita Electric Industrial Co., Ltd.
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Toshiaki Takenaka
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Method of producing a circuit board
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Patent number 6,691,409
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Issue date Feb 17, 2004
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Matsushita Electric Industrial Co., Ltd.
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Takeshi Suzuki
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Magnetic recording medium
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Patent number 6,037,037
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Issue date Mar 14, 2000
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Matsushita Electric Industrial Co., Ltd.
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Kazunori Kubota
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G11 - INFORMATION STORAGE