DIFF Subgroup
G03G 13/056 using internal polarisation
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Electrographic processes using a charge pattern > using internal polarisation
CPC:
Electrographic processes using a charge pattern (G03G15/00, G03G16/00, G03G17/00 take precedence) > using internal polarisation
No child classifications to compare. This is a leaf node in both IPC and CPC.