CPC Subgroup
A61J 19/06 Combustible sputum cups
Full Title
Devices for receiving spittle, e.g. spittoons (for dentists A61C17/14) > Combustible sputum cups
A61J 19/06 Devices for receiving spittle, e.g. spittoons (for dentists A61C17/14) > Combustible sputum cups