Document Type and Number:
Japanese Patent JPS5213526
Kind Code:
Y2
Application Number:
JP6988471U
Publication Date:
March 26, 1977
Filing Date:
August 05, 1971
Export Citation:
International Classes:
G03B21/32; G03B17/00; G03B21/43; G03B31/00; G03B31/04; H02P1/46; H02P1/56; H02P5/74; H02P23/00; H02P25/022; H02P25/10; H02P25/16; (IPC1-7): H02P1/46; G03B17/00; G03B21/43; G03B31/04; H02P1/56