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Patents > Tech fields : lift or safety or None & CPCs: CPC B64C11/006

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None (116) · Frank EXLINE (3) · Claude Prost (2) · Oswald Charles Jones (2) · Francis Samuel Welman (2) · John Otto WRENN (2) · Samuel Stewart Harper (2) · Robert CLADE (2) · Julius Hermann Carl Gebauer (2)
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None (116) · HEWLETT PACKARD (3) · Francis Samuel Welman (2) · Oswald Charles Jones (2) · Julius Hermann Carl Gebauer (2) · WRENN John Otto (2) · AIR TURBINE (2)
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