Rotary air valve

Details Rotary air valve Rotary air valve

1985-04-22

1988-08-23

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D02973529

REFERENCES:
patent: D208225 (1967-08-01), Dudley
patent: 3332218 (1976-07-01), O'Dell
patent: 3973592 (1976-08-01), Cleaver et al.

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