Title:
HOLLOW DRILL
Document Type and Number:
Japanese Patent JPS63230306
Kind Code:
A
Inventors:
HERUMUUTO FUORUMAA
Application Number:
JP4596488A
Publication Date:
September 26, 1988
Filing Date:
March 01, 1988
Export Citation:
Assignee:
HILTI AG
International Classes:
B23B51/04; B28D1/04; B28D1/14; E21B10/48; (IPC1-7): B23B51/04; B28D1/14
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)