Kazuo Usui

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Kamisumachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tremie tube
- Patent number 4,129,008
- Issue date Dec 12, 1978
- Kajima Kensetsu Kabushiki Kaisha
- Yasushi Nakahara
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING