Toshihiro Yamazaki

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cutter head for a tunnel excavator
- Patent number 5,460,432
- Issue date Oct 24, 1995
- Kabushiki Kaisha Komotsu Seisakusho
- Toshihiro Yamazaki
- E21 - EARTH DRILLING MINING