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Title:
【考案の名称】竪穴壁面の土止め装置
Document Type and Number:
Japanese Patent JP3054489
Kind Code:
U
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Inventors:
Yuki Ijima
Application Number:
JP424398U
Publication Date:
December 04, 1998
Filing Date:
May 29, 1998
Export Citation:
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Assignee:
Yuki Ijima
International Classes:
(IPC1-7): E21D5/10
Attorney, Agent or Firm:
Yasuhiro Moriwaki



 
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