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Patent Searching and Data


Title:
湧水量推定方法およびトンネル掘削工法
Document Type and Number:
Japanese Patent JP4196279
Kind Code:
B2
Inventors:
Tadashi Izumiya
Application Number:
JP2003318352A
Publication Date:
December 17, 2008
Filing Date:
September 10, 2003
Export Citation:
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Assignee:
Shimizu Construction Co., Ltd.
International Classes:
E21D9/06; E21D9/00; G01D21/00; G01F13/00; G01N33/24
Domestic Patent References:
JP11043928A
JP4209293A
JP2002201890A
JP9210989A
JP6294116A
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama