Title:
【発明の名称】マンホールにおけるダクト増設口の施工方法
Document Type and Number:
Japanese Patent JP2818807
Kind Code:
B2
Inventors:
Motoyuki Koga
Koichi Inoue
Takayuki Nagaoka
Dennawa Tsuneo
Sakuma Kei
Koichi Inoue
Takayuki Nagaoka
Dennawa Tsuneo
Sakuma Kei
Application Number:
JP13305089A
Publication Date:
October 30, 1998
Filing Date:
May 26, 1989
Export Citation:
Assignee:
Hakko Co., Ltd.
Nippon Telegraph and Telephone Corporation
Nippon Telegraph and Telephone Corporation
International Classes:
H02G9/10; (IPC1-7): H02G9/10
Domestic Patent References:
| JP6348115A | ||||
| JP1105821A |
Attorney, Agent or Firm:
Nobujun Kobashi