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Soldering flux
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Patent number 5,907,007
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Issue date May 25, 1999
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Denso Corporation
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Naoki Ito
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Soldering flux composition
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Patent number 5,211,763
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Issue date May 18, 1993
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Nippondenso Co., Ltd.
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Masanori Takemoto
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Soldering flux
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Patent number 5,167,729
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Issue date Dec 1, 1992
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Nippondenso Co., Ltd.
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Masanori Takemoto
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR