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1 result for “page 2 of 7” · 1907ms

Patent

US2324837 Electric heater

Cited prior art · Chester I Hall · General Electric Co · United States · 1943

members: 10 and from with the discharge passageway 33. It Will be 75 the electrodes 2 and their insulating walls 3. Page 4 These walls may be separated merely by removing 4. An electric