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Patents > Year filed: 1918 & Filing date: April 1918 & Related to aircraft: 1

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CPC B64C3/00 (3) · CPC B64C11/04 (3) · None (2) · CPC B64C13/00 (2) · CPC B64C2700/6295 (2) · CPC B64C25/50 (2) · CPC B64C33/02 (2) · CPC B64C35/00 (2) · CPC B64C2700/6235 (2) · CPC B64C2700/6256 (2) · CPC B64C11/346 (2) · CPC B64D27/00 (2) · CPC Y02T50/166 (2)
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