Document Type and Number:
Japanese Patent JPS4850502
Kind Code:
U
Application Number:
JP9730771U
Publication Date:
July 02, 1973
Filing Date:
October 22, 1971
Export Citation:
International Classes:
A01B63/24; A01B63/111; (IPC1-7): A01B63/111
Domestic Patent References:
| JPS3626313Y1 |