Title:
地質調査方法及びそれに用いる透明管
Document Type and Number:
Japanese Patent JP5689660
Kind Code:
B2
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Inventors:
佐々木 孝幸
Application Number:
JP2010262299A
Publication Date:
March 25, 2015
Filing Date:
November 25, 2010
Export Citation:
Assignee:
株式会社ボア
International Classes:
E21B47/00; E02D1/00
Attorney, Agent or Firm:
Wood Tsunenori
Kenji Doi
Matsue Koichiro
Kenji Doi
Matsue Koichiro
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