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2181574
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Patent Grant
2181574
References
Source
Patent Number
2,181,574
Date Filed
Not available
Date Issued
Tuesday, November 28, 1939
85 years ago
CPC
B64C35/00 - Flying-boats Seaplanes
B64F2700/6292 - Floating devices or aircraft parts usable as a life saving boats
US Classifications
244 - Aeronautics and astronautics
D12 - Transportation
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