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Plastic film
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Patent number 4,560,609
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Issue date Dec 24, 1985
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Sumitomo Chemical Company, Limited
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Nobuo Fukushima
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B32 - LAYERED PRODUCTS
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Plastic film
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Patent number 4,542,061
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Issue date Sep 17, 1985
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Sumitomo Chemical Company, Limited
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Nobuo Fukushima
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B32 - LAYERED PRODUCTS
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Agricultural plastic film
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Patent number 4,490,502
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Issue date Dec 25, 1984
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Sumitomo Chemical Company, Limited
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Nobuo Fukushima
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Agricultural plastic film
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Patent number 4,481,254
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Issue date Nov 6, 1984
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Sumitomo Chemical Company, Limited
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Nobuo Fukushima
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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