Title:
【考案の名称】地下構造物の蓋体管理用表示装置
Document Type and Number:
Japanese Patent JP3070427
Kind Code:
U
Inventors:
Shinji Nojima
Application Number:
JP2000000199U
Publication Date:
August 04, 2000
Filing Date:
January 21, 2000
Export Citation:
Assignee:
Ito Iron Works Co., Ltd.
International Classes:
(IPC1-7): E02D29/14
Attorney, Agent or Firm:
Akira Izawa