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Patents > Tech fields : Airplane or propeller & IPCs: IPC B64C17/00 & Number of figures: 9-30

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Inventors:
Adolf Sprater (4) · Alexander Blair Thaw (4) · Adolphe-François-Joseph Doutre (3) · Isaac Bell (3) · George Brougham Hubert Austin (2) · Louis-Adolphe Hayot (2)
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Adolf Sprater (4) · Alexander Blair Thaw (4) · Adolphe-François-Joseph Doutre (3) · Isaac Bell (3) · George Brougham Hubert Austin (2) · Louis-Adolphe Hayot (2)
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