Kazuo Ootsuka

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semi-automatic hydraulic excavator
- Patent number 4,377,043
- Issue date Mar 22, 1983
- Kabushiki Kaisha Komatsu Seisakusho
- Takayasu Inui
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING