Document Type and Number:
Japanese Patent JPS5562986
Kind Code:
U
Application Number:
JP14732078U
Publication Date:
April 30, 1980
Filing Date:
October 25, 1978
Export Citation:
International Classes:
G04C3/00; G04G5/02; G04G21/00; G04G99/00; H01H13/12; H01H13/20; (IPC1-7): G04G5/02; G04C3/00