Title:
非開削推進装置における信号伝送システム
Document Type and Number:
Japanese Patent JP4052437
Kind Code:
B2
Inventors:
Hiromasa Nakauchi
Application Number:
JP2002093658A
Publication Date:
February 27, 2008
Filing Date:
March 29, 2002
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
E21D9/093; G01S7/03; E21D9/06; G01S13/88
Domestic Patent References:
| JP2000125486A | ||||
| JP11083995A | ||||
| JP11190779A | ||||
| JP11159285A | ||||
| JP11200774A | ||||
| JP11280381A | ||||
| JP2000147136A | ||||
| JP2000147137A | ||||
| JP2000121747A | ||||
| JP2000017990A | ||||
| JP2000145368A |
Attorney, Agent or Firm:
Tadaaki Kishimoto