Document Type and Number:
Japanese Patent JPS5057142
Kind Code:
A
Application Number:
JP10382673A
Publication Date:
May 19, 1975
Filing Date:
September 17, 1973
Export Citation:
International Classes:
G11C13/04; G03H1/04; G11C13/00; (IPC1-7): G03H1/04; G11C13/00