F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
F03G7/10—Alleged perpetua mobilia
F03G7/104—Alleged perpetua mobilia continuously converting gravity into usable power
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Engineering & Computer Science
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Chemical & Material Sciences
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Combustion & Propulsion
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Mechanical Engineering
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General Engineering & Computer Science
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Photoreceptors In Electrophotography
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Developing Agents For Electrophotography
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Control Of Motors That Do Not Use Commutators
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