Title:
【考案の名称】地中内の未硬化試料用採取器
Document Type and Number:
Japanese Patent JPH0645458
Kind Code:
Y2
Inventors:
Hiroshi Aoyama
Application Number:
JP2201790U
Publication Date:
November 24, 1994
Filing Date:
March 05, 1990
Export Citation:
Assignee:
Ask Research Institute, Inc.
International Classes:
E21B31/00; E02D1/00; E02D1/04; G01N1/08; (IPC1-7): E02D1/04; G01N1/08
Attorney, Agent or Firm:
Ishida Chochichi (2 outside)
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