Tsugihiko Hiratsuka

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Shimodate, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass cloth and prepreg containing same
- Patent number 4,428,995
- Issue date Jan 31, 1984
- Hitachi Chemical Company, Ltd.
- Haruki Yokono
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL