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Patents > Tech fields: stability & IPCs : IPC B64C1/00 or IPC B64C39/00

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None (194) · Patent BE-1910-230887 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent FR-1910-435648 (3)
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None (72) · None (20) · Armengaud jeune (20) · J. Bonnet-Thirion (9) · J. Germain (9) · Abel & Imray (7) · Lavoix et Mosès (7) · Charles Dony (6) · Marks & Clerk (6) · Haseltine, Lake & Co. (6) · E. Blétry (6) · Herbert Haddan & Co. (5) · Boult, Wade & Tennant (5) · Schwab (5) · J. Fayollet (4) · Dom. Casalonga (4) · L. Chassevent (4) · Paul Coulomb (4) · de Bongé (4)
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