Saburoh Kumada

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Kawanishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Olefin packaging laminate
- Patent number 4,293,608
- Issue date Oct 6, 1981
- Toyo Baseki Kabushiki Kaisha
- Tsutomu Isaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL