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Masahiro KABUKI
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Tokyo, JP
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last 30 patents
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Patent Grant
Tunnel excavation apparatus and tunnel excavation method
Patent number
8,814,472
Issue date
Aug 26, 2014
Kabuki Construction Co., Ltd.
Mitsuo Takeda
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
TUNNEL EXCAVATION APPARATUS AND TUNNEL EXCAVATION METHOD
Publication number
20130076100
Publication date
Mar 28, 2013
KABUKI CONSTRUCTION CO., LTD.
Mitsuo TAKEDA
E21 - EARTH DRILLING MINING