Nittoku Kensetsu Kabushiki Kaisha

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shield tunneling with optional section and machine
- Patent number 4,998,776
- Issue date Mar 12, 1991
- Zaidan Hohjin Doboku Kenkyu Center
- Shohei Chida
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slope protection method for planting
- Patent number 4,304,069
- Issue date Dec 8, 1981
- Nittoku Kensetsu Kabushiki Kaisha
- Tsuguo Kobayashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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