Document Type and Number:
Japanese Patent JPS5216208
Kind Code:
Y2
Application Number:
JP3534972U
Publication Date:
April 12, 1977
Filing Date:
March 24, 1972
Export Citation:
International Classes:
A01F12/00; A01D39/00; A01D59/00; (IPC1-7): A01F12/00; A01D59/00