Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
シールド掘進機の到達位置計測方法
Document Type and Number:
Japanese Patent JP4361521
Kind Code:
B2
Inventors:
Kazuaki Ofuka
Yoshitaka Kodama
Kawawa Terumi
Application Number:
JP2005250597A
Publication Date:
November 11, 2009
Filing Date:
August 31, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21D9/06
Domestic Patent References:
JP3246483A
JP1247693A
Attorney, Agent or Firm:
Osamu Hatori
Shuichi Maeda