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Heat storage material
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Patent number 4,595,516
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Issue date Jun 17, 1986
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Matsushita Electric Industrial Co., Ltd.
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Takahiro Wada
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Heat insulator
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Patent number 4,594,279
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Issue date Jun 10, 1986
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Yoneno
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E04 - BUILDING
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Composite thermal insulator
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Patent number 4,492,725
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Issue date Jan 8, 1985
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Matsushita Electric Industrial Co., Ltd.
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Shoichi Ishihara
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL