Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
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F03D
WIND MOTORS
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80/00
Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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F03D80/70
Bearing or lubricating arrangements
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F03D80/701
Pitch or yaw bearings
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