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Patents > CPCs : CPC B22D33/00 or CPC B64B1/40 or CPC B64B1/58

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None (288) · Patent FR-1907-382794 (3) · Patent ES-1906-38692 (3) · Patent DE-1912-07-11 Luft Fahrzeug G.m.b.H. (2) · Patent FR-1902-321808 (2) · Patent US-1911-1003530 (2) · Patent AT-1909-42853 (2) · Patent FR-1907-392977 (2) · Patent BE-1907-11-22 Albert Jouveneau (2) · Patent GB-1911-2636 (2) · Patent DE-1912-08-22 (2)
Related to aircraft:
Patent agent:
None (210) · Marks & Clerk (11) · Armengaud jeune (10) · None (6) · Munn & Co. (5) · Haseltine, Lake & Co. (4) · Schwab (4) · de Bongé (3) · Lavoix et Mosès (3) · Matray freres et Cie (3) · Ed. Wolf (3) · Boramé et Julien (3) · J. Bonnet-Thirion (3) · L. Chassevent (3)
National tech categories:
FR 6.4 (133) · None (114) · USPC 244/127 (16) · DE 77h.4 (14) · USPC 244/32 (12) · USPC 244/96 (12) · DE 77 (11) · FR 6.3 (11) · USPC 244/33 (10) · USPC 244/31 (6) · DE 77h (6) · DE 77h.15 (6) · USPC 244/126 (5) · USPC 244/99 (3) · USPC 244/128 (3) · GB 4 aërostats (3)
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