Naotaka Murakami

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing biaxially oriented sheet or film and apparatus...
- Patent number 4,443,399
- Issue date Apr 17, 1984
- Idemitsu Petrochemical Co., Ltd.
- Masao Takashige
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL