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Lead-free solder alloys
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Patent number 6,488,888
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Issue date Dec 3, 2002
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Matsushita Electric Industrial Co., Ltd.
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Toshikazu Murata
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Solder ball container
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Patent number 6,352,153
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Issue date Mar 5, 2002
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Senju Metal Industry Co., Ltd.
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Fumio Ohashi
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Lead-free solder alloys
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Patent number 6,241,942
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Issue date Jun 5, 2001
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Matsushita Electric Industrial Co., Ltd.
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Toshikazu Murata
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR