F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F03B—MACHINES OR ENGINES FOR LIQUIDS
F03B17/00—Other machines or engines
F03B17/005—Installations wherein the liquid circulates in a closed loop ; Alleged perpetua mobilia of this or similar kind
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Engineering & Computer Science
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Chemical & Material Sciences
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Mechanical Engineering
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General Engineering & Computer Science
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Structures Of Non-Positive Displacement Pumps
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