Document Type and Number:
Japanese Patent JPS6131437
Kind Code:
Y2
Application Number:
JP7922180U
Publication Date:
September 12, 1986
Filing Date:
June 09, 1980
Export Citation:
International Classes:
H03M9/00; G06F7/00; G06F13/00; G11C19/00; G11C19/28; (IPC1-7): G11C19/28