Document Type and Number:
Japanese Patent JPS55147247
Kind Code:
U
Application Number:
JP4868179U
Publication Date:
October 23, 1980
Filing Date:
April 11, 1979
Export Citation:
International Classes:
B24D9/08; (IPC1-7): B24D9/08
Domestic Patent References:
| JP51135985B | ||||
| JPS5230639U | 1977-03-03 |