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Class Information
Number: 114/157
Name: Ships > Steering mechanism > Wheel-shaft gearing > Screw > Right and left
Description: Wheel-shaft gearing involving right and left screws or worms operating the rudder, one or both of the screws being upon the wheel-shaft.

Sub-classes under this class:

Class Number Class Name Patents
114/158 Intermediate gear 1

Patents under this class:

Patent Number Title Of Patent Date Issued
8046121 Watercraft steering device and watercraft Oct. 25, 2011

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