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Patents
Patents Assigned to Yukio Hirano
Patents Assigned to Yukio Hirano
Drill chips removing device
Patent number:
5080535
Abstract:
A drill chips removing device, comprising a sleeve or a ring formed with a through hole at its central portion for axially passing said drill therethrough and provided with a fixing device for fixing the sleeve or the ring to the drill.
Type:
Grant
Filed:
July 6, 1990
Date of Patent:
January 14, 1992
Assignee:
Yukio Hirano
Inventor:
Yukio Hirano