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* Published Japanese patents only


Hits 5 results

No. Application number
Gazette No
Title
Release Date
Update Date
Information Provider
1 P2004-352128 P4536499 APPARATUS FOR MEASURING TIP POSITION OF HORIZONTAL DIRECTION EXCAVATION Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
2 P2004-352129 P4536500 APPARATUS FOR MEASURING TIP POSITION OF HORIZONTAL DIRECTION EXCAVATION Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
3 P2005-057975 P4537229 TUNNEL CONSTRUCTION METHOD Oct 26, 2007 Mar 2, 2018 Railway Technical Research Institute
4 P2005-307916 P4455471 METHOD OF MANAGING FACING OF TUNNEL USING SPRING WATER PRESSURE Oct 26, 2007 Mar 2, 2018 Railway Technical Research Institute
5 P2004-099653 P4230400 SYSTEM FOR MEASURING DRILLING TIP POSITION IN VERTICAL DEPTH DRILLING, AND MEASURING METHOD USING SAME Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute

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