Document Type and Number:
Japanese Patent JPH037401
Kind Code:
U
Application Number:
JP6720989U
Publication Date:
January 24, 1991
Filing Date:
June 08, 1989
Export Citation:
International Classes:
B23B17/00; B23Q1/00; B23Q1/01; (IPC1-7): B23B17/00; B23Q1/02
Domestic Patent References:
| JP63179044B | ||||
| JP55169331B |
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