Title:
マンホール異常検知システムおよびマンホール異常検知方法
Document Type and Number:
Japanese Patent JP5178752
Kind Code:
B2
Inventors:
Hideyuki Tsuboi
Hiroki Yoshioka
Takeshi Onizawa
Toshio Ito
Hiroyuki Nakamura
Hiroki Yoshioka
Takeshi Onizawa
Toshio Ito
Hiroyuki Nakamura
Application Number:
JP2010031716A
Publication Date:
April 10, 2013
Filing Date:
February 16, 2010
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
E02D29/12; E02D29/14
Domestic Patent References:
| JP2003342966A | ||||
| JP2005235037A | ||||
| JP2003270029A | ||||
| JP2008255572A |
Attorney, Agent or Firm:
Masatake Shiga
Yasuhiko Murayama
Yasuhiko Murayama