DIFF Subgroup
G11C 13/048 Full Title
Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 > using optical elements
G11C 13/048 Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 > using optical elements