Dry type air cleaner

作者： Miller Harold L , Copp Kenneth W , Olson Lawrence J , Baden Thomas A

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参考文章(4)

Dewey M Dow, Device for preventing dust from being drawn into a vacuum cleaner when filter bag is not in place ,(1953)

Bub Robert Algot, Lewis John Mertens, Improvements in or relating to gas filtering apparatus ,(1955)

Emil Rutishauser, Staubabscheideeinrichtung, insbesondere für Schuhbearbeitungsmaschinen. ,(1934)

Raymond E Brochetti, Air filtering apparatus ,(1954)