Boom and rudder assembly
United States Patent 2653563
Inventors:
William, Long
Publication Date:
09/29/1953
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Assignee:
William, Long
Primary Class:
Other Classes:
114/169, 114/143, 114/165, 114/144C, 114/128
International Classes:
B63B41/00
Foreign References:
| GB190114983A | ||||
| GB312809A |