Document Type and Number:
Japanese Patent JPH03126427
Kind Code:
U
Application Number:
JP3558490U
Publication Date:
December 19, 1991
Filing Date:
April 02, 1990
Export Citation:
International Classes:
A01C19/02; A01C11/00; A01C23/00; (IPC1-7): A01C23/00; A01C19/02