High vacuum apparatus

Details High vacuum apparatus High vacuum apparatus

1984-07-16

1986-11-11

Husar, Cornelius J.

Pumps

Successive stages

With interstage intake or additional inlet to latter stage

417540, F04B 2500

Patent

active

046219854

ABSTRACT:
A high vacuum apparatus which comprises:

REFERENCES:
patent: 2492014 (1949-12-01), Spalding et al.
patent: 2891717 (1959-06-01), Huitson
patent: 3027651 (1962-04-01), Nerge
patent: 3059396 (1962-10-01), Thees
patent: 3116872 (1964-01-01), Buechel et al.
patent: 3470706 (1969-10-01), Mitchell et al.
patent: 4371412 (1983-02-01), Nishizawa
patent: 4401507 (1983-08-01), Engle

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