DIFF Subgroup
A63D 15/20 Scoring or registering devices
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Billiards, e.g. carom billiards or pocket billiards; Billiard tables > Scoring or registering devices
CPC:
Billiards, e.g. carom billiards or pocket billiards; Billiard tables (bagatelle A63D13/00) > Scoring or registering devices
No child classifications to compare. This is a leaf node in both IPC and CPC.