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Coal Dust Movable

Coal Dust Movable

COAL DUST REMOVAL AND CONVEYANCE SYSTEM 2 SheetsSheet Filed Nov 5 1966 3 QQ QA NH mwmmm m O O0 000 VTMCIWAQ M w n vboooooo Y m T 0000000003 WU WWWWM 00000 00000 Hm If ODDDOOO ATP 000000000 TNW Nm Q w v m A PH Y B B Unite States Patent Ofice Patented June ii 158 3387839 CQAL DUST REMOVAL AND CGNVEYANCE SYSTEM Stanley C

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