Two-stage pump

Details Two-stage pump Two-stage pump

1983-12-05

1986-09-02

Burke, Wallace R.

Machines not elsewhere specified

Pump or compressor

Patent

active

D02854473

REFERENCES:
patent: D110935 (1938-08-01), Voorhees et al.
patent: D202145 (1965-08-01), Schroeder et al.
patent: D229236 (1973-11-01), Doolin
patent: 4257747 (1981-03-01), Goldman
Nash.RTM. Multistage Vacuum Pumps, Bulletin No. 499-C, Copyright 1974 The Nash Engineering Company.

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