DIFF Subgroup
G09B 19/26 Dot-and dash telegraphic codes
Introduced: July 1974
Title
Titles differ between systems:
IPC: Dot-and-dash telegraph codes
CPC: Dot-and dash telegraphic codes
Full Title
Full titles differ between systems:
IPC:
Teaching not covered by other main groups of this subclass > Dot-and-dash telegraph codes
CPC:
Teaching not covered by other main groups of this subclass (teaching or practice apparatus for gun-aiming or gun-laying F41G3/26) > Dot-and dash telegraphic codes
No child classifications to compare. This is a leaf node in both IPC and CPC.