Document Type and Number:
Japanese Patent JPS5257094
Kind Code:
Y2
Application Number:
JP4750974U
Publication Date:
December 23, 1977
Filing Date:
April 24, 1974
Export Citation:
International Classes:
A01F12/40; A01D43/08; A01F17/00; A01F29/04; (IPC1-7): A01F12/40; A01D43/08