Document Type and Number:
Japanese Patent JPS5215235
Kind Code:
U
Application Number:
JP10108875U
Publication Date:
February 03, 1977
Filing Date:
July 21, 1975
Export Citation:
International Classes:
G03B7/16; G03B15/02; G03B15/03; G03B15/05; H05B41/14; (IPC1-7): G03B15/05; G03B15/02; H05B41/14
Domestic Patent References:
| JP49080244B |