Water purifier

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

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D23 3

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D02887070

REFERENCES:
patent: D230735 (1974-03-01), Lents
patent: D254145 (1980-02-01), Wilcock
patent: D256944 (1980-09-01), Fox, Jr.
patent: 3262570 (1966-07-01), Gailitis et al.
patent: 3367504 (1968-02-01), Westmoreland
patent: 3397790 (1968-08-01), Newby et al.
patent: 3662780 (1972-05-01), Marsh
patent: 3887463 (1975-06-01), Bray
patent: 4218317 (1980-08-01), Kirschmann
patent: 4515692 (1985-05-01), Chandler et al.
patent: 4545905 (1985-10-01), Poe
Kirschmann Reverse Osmosis Water Purifier Model RO-20 Owners Manual, 1978, Home Pure Water Corp.

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