Title:
内面管の支保工装置及び支保工装置の取付方法
Document Type and Number:
Japanese Patent JP5785792
Kind Code:
B2
Inventors:
Shinkichi Ooka
Zhang Manra
Hozumi Shimada
Zhang Manra
Hozumi Shimada
Application Number:
JP2011133900A
Publication Date:
September 30, 2015
Filing Date:
June 16, 2011
Export Citation:
Assignee:
Yoshika Engineering Co., Ltd.
International Classes:
E03F7/00; F16L7/00
Domestic Patent References:
| JP2000265787A | ||||
| JP51078543A | ||||
| JP2008031755A |
Attorney, Agent or Firm:
Satoshi Eto