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All Patents in class 123/196S
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,143,533Jan. 10, 1939C.E. Brown, W.D. ArcheaMachine Tool
  2,225,234Dec. 17, 1940W.W. SchettlerThermal Control of Internal Combustion Engines
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