Akira Maruoka

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Hitachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Mold for polyimide, polyamide, or polyamide-imide resin which has n...
- Patent number 3,966,390
- Issue date Jun 29, 1976
- Hitachi Chemical Company, Ltd.
- Mineo Nakano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL