F04F9/02 - CPC Classification Index

ClassID:

144446 ⎘

F04F9/02 - CPC Classification

Classification description:

Diffusion pumps of multi-stage type

Recent Application in this class:

20240318668

COMPRESSOR

20190368512

ELECTROCHEMICAL PUMP

20190316603

Electrochemical hydrogen pump and method for operating electrochemical hydrogen pump