Document Type and Number:
Japanese Patent JPS5439696
Kind Code:
B2
Application Number:
JP8883571A
Publication Date:
November 29, 1979
Filing Date:
November 08, 1971
Export Citation:
International Classes:
G11C17/00; G11C11/40; G11C16/02; G11C16/04; (IPC1-7): G11C11/40; G11C17/00