PROPULSION DEVICE FOR SHIP AND SHIP COMPRISING SAME
Disclosed are a propulsion device for a ship and a ship having the same. The propulsion device, according to an embodiment of the present invention, includes a rotational shaft, a rear propeller fixed to the rotational shaft, a front propeller rotatably supported by the drive shaft in front of the r...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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