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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B63H20/24
Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g.; exhaust gas outlets
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