Title:
マンホール蓋の鍵孔用閉塞栓錠装置
Document Type and Number:
Japanese Patent JP5385934
Kind Code:
B2
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Inventors:
Osamu Koyama
Kenichi Suda
Takuya Kitamoto
Kenichi Suda
Takuya Kitamoto
Application Number:
JP2011084932A
Publication Date:
January 08, 2014
Filing Date:
April 06, 2011
Export Citation:
Assignee:
TAKIGEN MFG.CO.,LTD.
NTT InfraNet Co., Ltd.
NTT InfraNet Co., Ltd.
International Classes:
E05B65/00; E02D29/14; E05B17/14; E05B29/00
Domestic Patent References:
| JP2007278016A | ||||
| JP10205184A | ||||
| JP2008088664A | ||||
| JP63012571U |
Attorney, Agent or Firm:
Tadashi Otsuka