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Patents > Tech fields: Frame & IPCs : IPC B64B1/62 or IPC B64C1/00

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None (4) · Paul Schmitt (3) · Henri-Marie Coandă (2) · Sam Leonard Walkden (2) · Camille Bollée (2) · Camille Contal (2) · Robert Esnault-Pelterie (2) · Jean-François Arnaud (2) · Théophile Protin (2) · Isaac Bell (2)
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None (9) · Paul Schmitt (3) · Henri-Marie Coandă (2) · Sam Leonard Walkden (2) · Camille Bollée (2) · Camille Contal (2) · Robert Esnault-Pelterie (2) · Jean-François Arnaud (2) · Théophile Protin (2) · Isaac Bell (2)
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None (9)
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