Tetsuo Akazawa

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing microporous film having breakage resistance w...
- Patent number 5,258,156
- Issue date Nov 2, 1993
- UBE Industries, Ltd.
- Hiroshi Kurauchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL