Kenichi Nagatsuka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum wall crawler
- Patent number 4,664,212
- Issue date May 12, 1987
- Mitsubishi Kakoki Kaisha Ltd.
- Kenichi Nagatsuka
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS