Kenji Teshima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packer type groundwater sampling system and water sampling method
- Patent number 5,896,926
- Issue date Apr 27, 1999
- Doryokuro Kakunenryo Kaihatsu Jigyodan
- Katsuhiro Hama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING