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Patents > Filing date: 1909 & Granted: Yes & IPCs: IPC B64C1/00

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None (2) · Camille Contal (2) · Frederick William Dufwa (2) · Charles-Victor-Aime Bidolet (2) · Paul Schmitt (2) · Sam Leonard Walkden (2) · James Means (2) · Théophile Protin (2)
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None (3) · Camille Contal (2) · Frederick William Dufwa (2) · Charles-Victor-Aime Bidolet (2) · Paul Schmitt (2) · Sam Leonard Walkden (2) · Théophile Protin (2)
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