Document Type and Number:
Japanese Patent JPS53131431
Kind Code:
U
Application Number:
JP3551377U
Publication Date:
October 18, 1978
Filing Date:
March 25, 1977
Export Citation:
International Classes:
B24B39/04; B23P9/00; B24B39/00; (IPC1-7): B24B39/00; B23P9/00
Domestic Patent References:
| JP50112746B | ||||
| JPS4922129B1 | 1974-06-06 |