Title:
【発明の名称】非常用便器付きマンホール蓋
Document Type and Number:
Japanese Patent JP2908789
Kind Code:
B1
More Like This:
Inventors:
Mitsuo Ito
Application Number:
JP13118298A
Publication Date:
June 21, 1999
Filing Date:
April 24, 1998
Export Citation:
Assignee:
Ito Iron Works Co., Ltd.
International Classes:
A47K11/00; E02D29/14; E03D11/00; (IPC1-7): E02D29/14; A47K11/00; E03D11/00
Domestic Patent References:
| JP9296498A | ||||
| JP9285424A |
Attorney, Agent or Firm:
Izawa