Title:
トンネル工法とその熱交換路固定具
Document Type and Number:
Japanese Patent JP5063669
Kind Code:
B2
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Inventors:
Kazuo Oshima
Application Number:
JP2009274536A
Publication Date:
October 31, 2012
Filing Date:
December 02, 2009
Export Citation:
Assignee:
Mitsubishi Materials Techno Co., Ltd.
International Classes:
E21D11/00; E21F17/00; F28D21/00
Domestic Patent References:
JP63075259A |
Attorney, Agent or Firm:
Motonari Tomisaki
Sadao Enjoji
Machida Mitsunobu
Sadao Enjoji
Machida Mitsunobu