Title:
【発明の名称】オ-ガ-の掘削深度等測定用移動装置
Document Type and Number:
Japanese Patent JPH0781481
Kind Code:
B2
Inventors:
Kyoaki Miyasaka
Application Number:
JP13187391A
Publication Date:
August 30, 1995
Filing Date:
May 07, 1991
Export Citation:
Assignee:
Daido Concrete Industry Co., Ltd.
International Classes:
E02D13/06; E02D17/13; E02F5/02; E21B15/00; E21B47/024; E21B47/04; G01B5/04; (IPC1-7): E21B47/04; E02D13/06; E02D17/13; E21B15/00; G01B5/04
Attorney, Agent or Firm:
Uematsu Shigeru
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