Title:
【発明の名称】掘削推進機の位置探査装置及び位置探査方法
Document Type and Number:
Japanese Patent JP2866078
Kind Code:
B2
Inventors:
HOSAKA HIROSHI
HOSHITANI KUNIO
TAKAHASHI KAZUHIKO
NOSAKA MASAO
HOSHITANI KUNIO
TAKAHASHI KAZUHIKO
NOSAKA MASAO
Application Number:
JP7564097A
Publication Date:
March 08, 1999
Filing Date:
March 27, 1997
Export Citation:
Assignee:
NIPPON DENSHIN DENWA KK
TAKACHIHO SANGYO KK
TAKACHIHO SANGYO KK
International Classes:
E21D9/06; E21D9/093; G01B7/00; G01C15/00; G01V3/10; (IPC1-7): G01C15/00; E21D9/06; G01B7/00; G01V3/10
Domestic Patent References:
| JP4153497A | ||||
| JP5107366A | ||||
| JP6221805A |
Attorney, Agent or Firm:
Hidehiko Okada (1 outside)