Title:
覆体付きマンホール
Document Type and Number:
Japanese Patent JP5100772
Kind Code:
B2
Inventors:
Masashi Ikeno
Yuzo Kobayashi
Yuzo Kobayashi
Application Number:
JP2010043134A
Publication Date:
December 19, 2012
Filing Date:
February 26, 2010
Export Citation:
Assignee:
Kowa Co., Ltd.
International Classes:
E02D29/12; E02D31/12
Domestic Patent References:
| JP2007039945A | ||||
| JP2003293356A |
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii