Document Type and Number:
Japanese Patent JPH01129057
Kind Code:
U
Application Number:
JP2629688U
Publication Date:
September 04, 1989
Filing Date:
February 29, 1988
Export Citation:
International Classes:
B24B31/023; (IPC1-7): B24B31/023
Domestic Patent References:
| JP54063596B | ||||
| JPS503250A | 1975-01-14 |