DIFF Subgroup
G10B 3/20 Transposing devices
Introduced: September 1968
Full Title
Details or accessories > Transposing devices
No child classifications to compare. This is a leaf node in both IPC and CPC.
G10B 3/20 Introduced: September 1968
Details or accessories > Transposing devices
No child classifications to compare. This is a leaf node in both IPC and CPC.