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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing biaxially oriented polyester film
Patent number
5,139,727
Issue date
Aug 18, 1992
Daifoil Company, Limited
Shigeo Utsumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Minute-cellular polyester film provided with coating
Patent number
4,857,396
Issue date
Aug 15, 1989
Daifoil Company, Ltd.
Satoshi Otonari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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