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Patents > IPCs : IPC B64C31/06 or IPC B64D25/00

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None (4) · Frank Ernest Jackson (3) · Robert Day Andrews (2) · Thomas Ansboro (2) · Thomas Frederick Robinson (2) · Charles Lakeman Tweedale (2) · William Franklin Fleharty (2) · Alfred-Jacques Bergeron (2) · Lucien Fouque (2)
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None (9) · Frank Ernest Jackson (3) · Lucien Fouque (2) · Charles Lakeman Tweedale (2) · Thomas Frederick Robinson (2) · William Franklin Fleharty (2) · Alfred-Jacques Bergeron (2)
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None (20) · None (9) · Armengaud jeune (3) · Brandon frères (3) · Munn & Co. (2)
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