Document Type and Number:
Japanese Patent JPS5057927
Kind Code:
U
Application Number:
JP11684173U
Publication Date:
May 30, 1975
Filing Date:
October 06, 1973
Export Citation:
International Classes:
A01C11/02; (IPC1-7): A01C11/02
Domestic Patent References:
| JPS4944591U | 1974-04-19 |