Document Type and Number:
Japanese Patent JPS5124242
Kind Code:
U
Application Number:
JP9505374U
Publication Date:
February 23, 1976
Filing Date:
August 10, 1974
Export Citation:
International Classes:
G03B21/00; G03B21/48; G03B31/00; H02P7/288; (IPC1-7): G03B21/48; G03B31/00