Fume extractor arm

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified

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D02858320

REFERENCES:
patent: D262235 (1981-12-01), Hamilton
patent: 3380371 (1968-04-01), Scheel
patent: 3822872 (1974-07-01), Nell
patent: 4298921 (1981-11-01), Krogsrud et al.
patent: 4379548 (1983-04-01), Boshoven
patent: 4436023 (1984-03-01), Takahashi

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