Title:
【発明の名称】作孔装置
Document Type and Number:
Japanese Patent JPH05502917
Kind Code:
A
Inventors:
Geisler, Bernd
Application Number:
JP50348790A
Publication Date:
May 20, 1993
Filing Date:
February 24, 1990
Export Citation:
Assignee:
Geisler und Cooper Gesellschaft Mitt Beschlenktel Haftung Diamantwerk Zeuige Maschinen
International Classes:
B25D17/18; E21B10/26; E21B17/046; E21B25/00; F16D1/10; (IPC1-7): B25D17/18; E21B10/26; E21B17/046; E21B25/00; F16D1/10
Domestic Patent References:
| JP61148607B |
Attorney, Agent or Firm:
Toshio Yano (2 outside)