Electrostatic dust sampler
United States Patent 2307602

Inventors:
Penney, Gaylord W.
Barnes, Edgar C.
Publication Date:
01/05/1943
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Assignee:
WESTINGHOUSE ELECTRIC & MFG CO
Primary Class:
73/863.210
Other Classes:
96/82, 96/60, 73/28.020
International Classes:
G01N1/22