Title:
マンホール耐震ジョイント
Document Type and Number:
Japanese Patent JP4425498
Kind Code:
B2
Inventors:
Wataru Komura
Sakaguchi Shuji
Sakaguchi Shuji
Application Number:
JP2001216680A
Publication Date:
March 03, 2010
Filing Date:
July 17, 2001
Export Citation:
Assignee:
Nishikawa Rubber Industry Co., Ltd.
Asahi Concrete Works Co., Ltd.
Asahi Concrete Works Co., Ltd.
International Classes:
E02D29/12; E03F5/02; F16L5/02
Domestic Patent References:
| JP9229279A | ||||
| JP10030756A | ||||
| JP9100542A | ||||
| JP10220651A | ||||
| JP200327513A |
Attorney, Agent or Firm:
Takehiro Furuta