Title:
管路止水剤のはつり工法と管路止水剤のはつり工法に用いるはつり冶具
Document Type and Number:
Japanese Patent JP4492902
Kind Code:
B2
Inventors:
Yoshinori Ienaga
Application Number:
JP2000307895A
Publication Date:
June 30, 2010
Filing Date:
October 06, 2000
Export Citation:
Assignee:
INTE CORPORATION
International Classes:
B25D17/28; H02G9/06; F16L5/02; H02G1/06; H02G3/22
Domestic Patent References:
| JP11165277A |
Attorney, Agent or Firm:
Yoshiteru Takagi