Konosuke Miyata

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shield tunneling machine and method
- Patent number 4,165,129
- Issue date Aug 21, 1979
- Ishikawajima-Harima Jukogyo Kabushiki Kaisha
- Yoshihito Sugimoto
- E21 - EARTH DRILLING MINING