Document Type and Number:
Japanese Patent JPS56171441
Kind Code:
U
Application Number:
JP7069180U
Publication Date:
December 18, 1981
Filing Date:
May 22, 1980
Export Citation:
International Classes:
A01D34/76; A01D69/00; A01D69/08; F16D67/02; (IPC1-7): F16D67/02; A01D35/26; A01D69/00