Document Type and Number:
Japanese Patent JPS4822551
Kind Code:
U
Application Number:
JP6347871U
Publication Date:
March 14, 1973
Filing Date:
July 20, 1971
Export Citation:
International Classes:
G03B7/16; G03B15/05; H05B41/30; H05B41/32; H05B41/36; H05B41/38; (IPC1-7): G03B15/05; G03B7/16; H05B41/30; H05B41/36