Hiroshi Otsuji

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-gasket sealing structure
- Patent number 6,123,339
- Issue date Sep 26, 2000
- Daiso Corporation
- Hiroshi Otsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...