Document Type and Number:
Japanese Patent JPS63169251
Kind Code:
U
Application Number:
JP6289987U
Publication Date:
November 04, 1988
Filing Date:
April 24, 1987
Export Citation:
International Classes:
B24B31/16; B03C1/22; (IPC1-7): B24B31/16; B03C1/22
Domestic Patent References:
| JPS5223458A | 1977-02-22 | |||
| JPS5194172A | 1976-08-18 |