Toshio Tsukamoto

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for fixing disk cutter to tunnel excavator
- Patent number 5,181,577
- Issue date Jan 26, 1993
- Kabushiki Kaisha Komatsu Seisakusho
- Toshio Tsukamoto
- E21 - EARTH DRILLING MINING