Document Type and Number:
Japanese Patent JPS5517757
Kind Code:
U
Application Number:
JP9919378U
Publication Date:
February 04, 1980
Filing Date:
July 18, 1978
Export Citation:
International Classes:
B24B13/005; B24B13/00; (IPC1-7): B24B13/00
Domestic Patent References:
| JPS508595B1 | 1975-04-05 |