Document Type and Number:
Japanese Patent JPS5373927
Kind Code:
U
Application Number:
JP13473577U
Publication Date:
June 20, 1978
Filing Date:
October 06, 1977
Export Citation:
International Classes:
A01B39/18; A01B39/08; (IPC1-7): A01B39/08
Domestic Patent References:
| JPS4011731Y1 |