Document Type and Number:
Japanese Patent JPH0138642
Kind Code:
Y2
Application Number:
JP3870084U
Publication Date:
November 20, 1989
Filing Date:
March 16, 1984
Export Citation:
International Classes:
G12B9/00; G05B7/02; G05B11/00; G05B11/01; (IPC1-7): G05B11/01
Next Patent: JPH0138643