Control unit for watercraft with water jet propulsion
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Propulsion plant for water craft - two propeller shafts are installed opposite drive side of vertical shaft, and extend and are mounted on both sides of axis of vertical shaft
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METHOD FOR OPERATING A WATER JET DRIVE FOR WATER VEHICLES AND ARRANGEMENT FOR IMPLEMENTING THE METHOD
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Marine craft jet drive - has pump with two rotors rotating in opposite directions
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Water jet propulsion for marine craft - has pump with pivoting inlet guide vanes to vary water flow
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Method for operating a low-pressure heat pump and device for implementing the method
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Extraction apparatus.
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Improvements in and relating to Extraction Apparatus.
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Improvements in or relating to the Extraction of Fats, Oils, Resins, Sulphur, Colours, Tanning Materials, and the like, by Means of Volatile Solvents, and Apparatus therefor.
