Hedeki Kuwabara

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Hadano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of production of expansion-molded article, from foamable the...
- Patent number 4,822,542
- Issue date Apr 18, 1989
- Japan Styrene Paper Corporation
- Hedeki Kuwabara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL