Title:
【発明の名称】土中オーガーの計測方法
Document Type and Number:
Japanese Patent JP2756119
Kind Code:
B2
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Inventors:
SAKASHITA KAZUO
NOZAWA TAMOTSU
URUSHIBARA AKIRA
NOZAWA TAMOTSU
URUSHIBARA AKIRA
Application Number:
JP10799388A
Publication Date:
May 25, 1998
Filing Date:
April 29, 1988
Export Citation:
Assignee:
AOKI KENSETSU KK
International Classes:
E21B47/024; E02F5/02; E02F5/14; E21B47/02; G01C9/00; (IPC1-7): E21B47/02
Domestic Patent References:
| JP52137101A |
Attorney, Agent or Firm:
Toshio Nishizawa