Title:
マンホールの浮上防止構造及び工法
Document Type and Number:
Japanese Patent JP6414871
Kind Code:
B2
Inventors:
Shinkichi Ooka
Yasuhiko Konishi
Tsune Kitajima
Yasuhiko Konishi
Tsune Kitajima
Application Number:
JP2013213051A
Publication Date:
October 31, 2018
Filing Date:
October 10, 2013
Export Citation:
Assignee:
Toa Grout Industry Co., Ltd.
International Classes:
E02D29/12; E02D5/80
Domestic Patent References:
| JP2008240314A | ||||
| JP48005206A | ||||
| JP2010138663A | ||||
| JP2009281001A | ||||
| JP6081334A | ||||
| JP2003160945A |
Foreign References:
| US4143988 | ||||
| KR101093185B1 |
Attorney, Agent or Firm:
Nakagawa International Patent Office