Document Type and Number:
Japanese Patent JPS54156522
Kind Code:
U
Application Number:
JP5338278U
Publication Date:
October 31, 1979
Filing Date:
April 24, 1978
Export Citation:
International Classes:
G03B42/02; H05G1/00; H05G1/38; H05G1/54; (IPC1-7): G03B41/16; H05G1/00