Title:
【発明の名称】埋設物探知方法
Document Type and Number:
Japanese Patent JP3024001
Kind Code:
B2
Inventors:
Yuji Nagashima
Hirotaka Yoshida
Ryosuke Arioka
Junichi Masuda
Hirotaka Yoshida
Ryosuke Arioka
Junichi Masuda
Application Number:
JP9084591A
Publication Date:
March 21, 2000
Filing Date:
April 22, 1991
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G01V3/12; (IPC1-7): G01V3/12
Domestic Patent References:
| JP464081A | ||||
| JP1113685A | ||||
| JP198981A | ||||
| JP63305277A | ||||
| JP63159781A | ||||
| JP63120271A |
Attorney, Agent or Firm:
Takehiko Suzue