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WILLIAMS ADOLPH ANDREAS
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WILLIAMS ADOLPH ANDREAS
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Application filed by WILLIAMS ADOLPH ANDREASfiledCriticalWILLIAMS ADOLPH ANDREAS
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Publication of FR322408ApublicationCriticalpatent/FR322408A/en
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63H—MARINE PROPULSION OR STEERING
B63H3/00—Propeller-blade pitch changing
B63H3/02—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
B63H3/04—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary the control element being reciprocatable
FR322408D1902-04-121902-04-12
Improvements to boat propellers
ExpiredFR322408A
(en)