Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1986-08-12
1988-11-22
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D02986485
REFERENCES:
patent: D84423 (1931-06-01), Knight
patent: D84642 (1931-07-01), Ljungstrom
Burke Wallace R.
Vinson Brian N.
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