Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
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B63H
MARINE PROPULSION OR STEERING
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23/00
Transmitting power from propulsion power plant to propulsive elements
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B63H23/34
Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
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B63H23/35
Shaft braking or locking, i.e. means to slow or stop the rotation of the propeller shaft or to prevent the shaft from initial rotation
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