Document Type and Number:
Japanese Patent JPS5279301
Kind Code:
U
Application Number:
JP16578575U
Publication Date:
June 14, 1977
Filing Date:
December 10, 1975
Export Citation:
International Classes:
A01B33/08; A01B33/10; A01B33/16; (IPC1-7): A01B33/10; A01B33/16
Domestic Patent References:
| JP46002409U |