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Epoxy resin composition
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Patent number 4,555,532
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Issue date Nov 26, 1985
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Hitachi, Ltd.
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Isamu Tanaka
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Epoxy resin composition
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Patent number 4,460,718
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Issue date Jul 17, 1984
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Hitachi, Ltd.
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Isamu Tanaka
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Electroless copper plating solution
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Patent number 4,303,443
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Issue date Dec 1, 1981
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Hitachi, Ltd.
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Osamu Miyazawa
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...