Document Type and Number:
Japanese Patent JPS5537368
Kind Code:
U
Application Number:
JP12109078U
Publication Date:
March 10, 1980
Filing Date:
August 31, 1978
Export Citation:
International Classes:
A01F12/50; A01F12/46; A01F12/52; (IPC1-7): A01F12/52; A01F12/50