Extraction hood for use in an extraction system to exhaust fumes

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

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D03323056

REFERENCES:
patent: D231615 (1974-05-01), Nygard
patent: 380500 (1888-04-01), Linscott
patent: 398968 (1889-03-01), Jones et al.
patent: 404194 (1889-05-01), Holm
patent: 2905073 (1959-09-01), Aveni
patent: 3082680 (1963-03-01), Nevin et al.
patent: 3520115 (1970-07-01), Bowen
patent: 4584929 (1986-04-01), Jarmyr et al.
Optic-Aire Systems, Inc. Adv. Brochure, .COPYRGT.1968, back cover, fume hood, upper left side of page.
Swedish Brochure "Bahco Toronado Platsutsugbho", 1983.
Soviet Publication #SU-916,913 "Soviet Inventions Illustrated", 1983.

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