Kabushiki Kaisha Komotsu Seisakusho

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Tokyo, JP

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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

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