Document Type and Number:
Japanese Patent JPS52139488
Kind Code:
U
Application Number:
JP4842176U
Publication Date:
October 22, 1977
Filing Date:
April 17, 1976
Export Citation:
International Classes:
B24D13/04; B24D9/00; B24D11/00; B24D13/06; (IPC1-7): B24D9/00; B24D11/00
Domestic Patent References:
| JPS4733471A | ||||
| JP48098492B |