Toshihiko Hayashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Easily-openable heat seal lid
- Patent number 4,428,494
- Issue date Jan 31, 1984
- Toyo Seikan Kaisha, Ltd.
- Kazumi Hirota
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL