Document Type and Number:
Japanese Patent JPS6214176
Kind Code:
Y2
Application Number:
JP12248783U
Publication Date:
April 11, 1987
Filing Date:
August 06, 1983
Export Citation:
International Classes:
E02B7/20; E02B7/40; G05D9/00; G05D9/02; (IPC1-7): E02B7/20; E02B7/40