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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20/00
Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
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B63H20/14
Transmission between propulsion power unit and propulsion element
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B63H20/20
with provision for reverse drive
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