Document Type and Number:
Japanese Patent JPS5296708
Kind Code:
U
Application Number:
JP373476U
Publication Date:
July 20, 1977
Filing Date:
January 17, 1976
Export Citation:
International Classes:
A01B59/043; A01B33/08; (IPC1-7): A01B59/043
Foreign References:
| US3643976A | 1972-02-22 |