Drilldown: Patents

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Patents > Tech fields : Airplane or marine or propeller or None & IPCs : IPC B64C1/00 or IPC B64C3/38 & CPCs : CPC B64C13/00 or CPC B64C17/00 & Number of claims: 1-2 & Number of figures: 2-3

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Walter Borchardt (2) · Marianne Burkhardt (2) · Bertram Ogilvie (2) · Charles Arthur Beauchamp Pickard Hawkins (2) · Louis-Adolphe Hayot (2)
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Walter Borchardt (2) · Marianne Burkhardt (2) · Bertram Ogilvie (2) · Charles Arthur Beauchamp Pickard Hawkins (2) · Louis-Adolphe Hayot (2)
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Showing below up to 39 results in range #1 to #39.

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