Youichi Hattori

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Leg clamping device for jack up platform
- Patent number 4,431,343
- Issue date Feb 14, 1984
- Hitachi Shipbuilding & Engineering Limited
- Tomoyoshi Uchiyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING