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Title:
【考案の名称】土のう及び土のう材
Document Type and Number:
Japanese Patent JP3068850
Kind Code:
U
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Inventors:
Isao Takaoka
Application Number:
JP856499U
Publication Date:
May 26, 2000
Filing Date:
November 10, 1999
Export Citation:
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Assignee:
Isao Takaoka
International Classes:
(IPC1-7): E02B3/04
Attorney, Agent or Firm:
Toshiyuki Maruyama (2 outside)



 
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