DIFF Subgroup
A61J 19/02 Sputum flasks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Devices for receiving spittle, e.g. spittoons > Sputum flasks
CPC:
Devices for receiving spittle, e.g. spittoons (for dentists A61C17/14) > Sputum flasks
No child classifications to compare. This is a leaf node in both IPC and CPC.