Invention Grant
US09039378B2 Marine propeller structure 有权
船用螺旋桨结构

Marine propeller structure
Abstract:
A marine propeller has at least two blades each having a body, a vane and connection members that enable the blades to be fixed together. The blades are formed with a one-piece vane and the bodies are attached to one another and with the bodies form the central hub of the propeller that may be fitted on a ship's shaft after mounting.
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