Seihachi Naganuma

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Traction type elevator system
- Patent number 4,501,115
- Issue date Feb 26, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Katsuhiko Suzuki
- B66 - HOISTING LIFTING HAULING