specially adapted to the production of a high vacuum, e.g. molecular pumps

Full Title

Axial-flow pumps specially adapted for elastic fluids > Multi-stage pumps > specially adapted to the production of a high vacuum, e.g. molecular pumps

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS

Subclass:

NON-POSITIVE-DISPLACEMENT PUMPS