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Patents > Tech fields: airplane & CPCs : CPC B64B1/26 or CPC B64B1/40 or CPC B64C11/006 or CPC B64C2700/6218 or CPC B64C3/385 or CPC B64C39/00

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None (211) · Patent FR-1908-392672 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1909-410848 (3) · Patent FR-1916-502839 (3) · Patent US-1910-996592 (3) · Patent FR-1912-449167 (3)
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None (87) · Armengaud jeune (32) · None (14) · E. Blétry (12) · J. Bonnet-Thirion (10) · Marks & Clerk (9) · Charles Dony (9) · Lavoix et Mosès (7) · Weismann et Marx (6) · Y. Rabilloud et fils (6) · G. de Mestral et F. Harlé (5) · L. Chassevent (5) · J. Germain (5)
National tech categories:
FR 6.4 (260) · None (80) · USPC 244/48 (11) · DE 77h.5 (10) · FR 6.3 (4) · USPC 244/13 (3) · USPC 244/113 (3) · USPC 244/38 (3) · USPC 244/90R (3) · USPC 244/119 (2) · USPC 244/131 (2) · USPC 244/99.11 (2)
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