DIFF Subgroup
B07C 3/18 Devices or arrangements for indicating destination, e.g. by code marks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Sorting of mail or documents according to destination > Devices or arrangements for indicating destination, e.g. by code marks
CPC:
Sorting according to destination > Devices or arrangements for indicating destination, e.g. by code marks
No child classifications to compare. This is a leaf node in both IPC and CPC.