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Class Information
Number: 244/68
Name: Aeronautics > Aircraft propulsion > Screw > Elongated
Description: Arrangement of aircraft screw propellers of the long helix type, in which the blades extend for substantially a full pitch length or more along the hub members.

Patents under this class:

Patent Number Title Of Patent Date Issued
5810288 High velocity propeller Sep. 22, 1998
5810289 High velocity propeller Sep. 22, 1998

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