DIFF Subgroup
F04F 9/02 of multi-stage type
Introduced: September 1968
Full Title
Diffusion pumps > of multi-stage type
No child classifications to compare. This is a leaf node in both IPC and CPC.
F04F 9/02 Introduced: September 1968
Diffusion pumps > of multi-stage type
No child classifications to compare. This is a leaf node in both IPC and CPC.