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1 result for “page 2 of 7” · 1104ms

Patent

US2101168 Electrical precipitation apparatus

Cited prior art · Deutsch Walther · International Precipitation Co · United States · 1937

Page 1 Drawing sheet — no readable text. Page 2 Patented Dec. 7, 1937 2,101,168 UNITED STATES PATENT OFFICE 2,10,168 ELECTRICAL PRECIPITATION APPARATUS Walther Deutsch,