Document Type and Number:
Japanese Patent JPS5311628
Kind Code:
Y2
Application Number:
JP10750274U
Publication Date:
March 29, 1978
Filing Date:
September 05, 1974
Export Citation:
International Classes:
A01F12/52; A01F12/20; A01F12/22; (IPC1-7): A01F12/52; A01F12/20