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Title:
APPARATUS FOR DETECTING UNDERGROUND DRILLING APPARATUS
Document Type and Number:
Japanese Patent JPS5985094
Kind Code:
A
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Inventors:
HAMURO HIROSHI
Application Number:
JP19481382A
Publication Date:
May 16, 1984
Filing Date:
November 06, 1982
Export Citation:
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Assignee:
KUBOTA LTD
International Classes:
G01C15/00; E21B44/00; E21B47/024; E21D9/06; E21D9/093; (IPC1-7): E21B44/00; E21D9/06; G01C15/00
Attorney, Agent or Firm:
Kitamura Osamu



 
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