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1 result for “page 2 of 7” · 1967ms

Patent

US2212078 Oil burning heating apparatus

Cited prior art · Rolland C Sabins · CHARLES ALBERT AKOFER · United States · 1940

Page 1 Drawing sheet — no readable text. Page 2 Patented Aug. 20, 1940 2212,078 UNITED STATES2,212,078PATENT OFFICE OIL BURNING HEATING APPAEATUS