Yutaka Ikeda

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Nabari, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vibratory compaction working machine
- Patent number 4,735,523
- Issue date Apr 5, 1988
- Hitachi Construction Machinery Co., Ltd.
- Yasuaki Ishikawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING