Shihoku Kakoki Co., Ltd.

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Itano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of imparting increased foldability to fold lines in paperboa...
- Patent number 5,269,743
- Issue date Dec 14, 1993
- Jujo Paper Co., Ltd.
- Kiyoshi Sakuma
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD