DIFF Subgroup
G11C 19/20 using discharge tubes (G11C19/14 takes precedence)
Introduced: July 1974
Title
Titles differ between systems:
IPC: using discharge tubes
CPC: using discharge tubes (G11C19/14 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Digital stores in which the information is moved stepwise, e.g. shift registers > using discharge tubes
CPC:
Digital stores in which the information is moved stepwise, e.g. shift registers > using discharge tubes (G11C19/14 takes precedence)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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