Title:
【発明の名称】埋設管等を探知するための信号電流供給方法
Document Type and Number:
Japanese Patent JP2537872
Kind Code:
B2
Inventors:
AKYAMA JUNICHI
TOGO HIROSHI
YOSHINO KAZUO
TOGO HIROSHI
YOSHINO KAZUO
Application Number:
JP13737687A
Publication Date:
September 25, 1996
Filing Date:
May 31, 1987
Export Citation:
Assignee:
TOKYO GASU KK
OOSAKA GASU KK
TOYO MASHIN KOGYO KK
OOSAKA GASU KK
TOYO MASHIN KOGYO KK
International Classes:
G01V3/02; G01V3/11; (IPC1-7): G01V3/02
Domestic Patent References:
| JP5441422B2 |
Attorney, Agent or Firm:
Koji Mikami