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Patents > CPCs : CPC B64C2700/6218 or CPC B64C3/56

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None (217) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1909-09-10-Romagnoli (2) · Patent FR-1910-423998 (2) · Patent FR-1909-408872 (2) · Patent FR-1909-402649 (2) · Patent FR-1912-450608 (2) · Patent FR-1914-475066 (2) · Patent GB-1909-8531‎ (2) · Patent DE-1912-03-18 Allgemeine Elektricitäts-Gesellschaft‎‎ (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1910-435648 (2) · Patent BE-1912-08-13-Panian (2) · Patent BE-1912-03-16-Toussaint-Lepere (2) · Patent BE 1911-04-07 Bollekens frères (2) · Patent NZ-1909-25865 (2)
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None (99) · Armengaud jeune (12) · None (11) · Marks & Clerk (8) · Boult, Wade & Tennant (6) · Charles Dony (6) · Brandon freres (6) · P. Follin (6) · E. Blétry (6) · J. Bonnet-Thirion (5) · Edward Evans & Co. (5) · Borame et Julien (4) · Paul Coulomb (4) · L. Chassevent (4) · J. Fayollet (4) · Lavoix et Mosès (4) · Schwab (4)
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