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Patents > Tech fields : Airplane or propeller & CPCs : CPC B64C2700/6218 or CPC B64C2700/6233 & Number of text pages: 1-2

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Léon-Louis Clément (3) · Walter Borchardt (2) · Auguste Guillot (2) · Louis-Adolphe Hayot (2) · Jean-François Arnaud (2) · Nicolas de Benois (2) · Marianne Burkhardt (2)
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None (4) · Léon-Louis Clément (3) · Jean-François Arnaud (2) · Nicolas de Benois (2) · Marianne Burkhardt (2) · Louis-Adolphe Hayot (2) · Walter Borchardt (2) · Alexandre-Auguste Guillot (2)
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