DIFF Subgroup
A61J 11/02 with means for supplying air
Introduced: September 1968
Full Title
Teats > with means for supplying air
No child classifications to compare. This is a leaf node in both IPC and CPC.
A61J 11/02 Introduced: September 1968
Teats > with means for supplying air
No child classifications to compare. This is a leaf node in both IPC and CPC.