Document Type and Number:
Japanese Patent JPS5442611
Kind Code:
U
Application Number:
JP11767077U
Publication Date:
March 23, 1979
Filing Date:
August 31, 1977
Export Citation:
International Classes:
A01B35/04; (IPC1-7): A01B35/04
Domestic Patent References:
| JPS4835686U | 1973-04-27 | |||
| JP33002801A |