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Directory of FREE Online Books and FREE eBooks
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Cleaning
Browse Free Online Books and eBooks:
US Patent 2600302: Air cleaning intake for gas turbines and other internal-combustion engines
US Patent 2600836: Self-cleaning valve
US Patent 2601041: Controlling mechanism for flue cleaning means for heating apparatus
US Patent 2601263: Machine for inverting containers and directing cleaning fluid thereinto
US Patent 2601381: Opening and cleaning machine for fibrous materials
US Patent 2601697: Adjustable cleaning nozzle for suction cleaners
US Patent 2601704: Screen cleaning apparatus
US Patent 2601771: Cleaning aid
US Patent 2601863: Method of cleaning hot-dip tin-plate
US Patent 2601972: Cleaning attachment for engine radiators
US Patent 2602180: Pneumatic tool for cleaning switch banks
US Patent 2602184: Fish cleaning machine
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