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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21/00
Use of propulsion power plant or units on vessels
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B63H21/20
the vessels being powered by combinations of different types of propulsion units
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B63H2021/202
of hybrid electric type
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B63H2021/205
the second power unit being of the internal combustion engine type, or the like, e.g. a Diesel engine
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