Document Type and Number:
Japanese Patent JPS5439043
Kind Code:
U
Application Number:
JP11195277U
Publication Date:
March 14, 1979
Filing Date:
August 23, 1977
Export Citation:
International Classes:
G03B15/05; H05B41/32; H05B41/36; (IPC1-7): G03B15/05; H05B41/36