Title:
地山補強管接続治具
Document Type and Number:
Japanese Patent JP3103295
Kind Code:
U
Inventors:
Chiaki Miura
Application Number:
JP2004000501U
Publication Date:
August 05, 2004
Filing Date:
February 10, 2004
Export Citation:
Assignee:
Joint Stock Company Hidaka Shokai
International Classes:
(IPC1-7): E21D9/04; E21B17/02
Attorney, Agent or Firm:
Shinichi Kikuchi
Toru Kikuchi
Toru Kikuchi