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Patents > CPCs : CPC B64B1/00 or CPC B64C23/005 & Number of text pages: 1-2

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None (312) · Nord (4) · Seine (3) · London (2) · California (2) · Seine-et-Oise (2) · Leipzig (2)
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None (263) · Patent IT-1913- (2) · Patent FR-1916-491738 (2) · Patent FR-1915-525800 (2) · Patent FR-1913-472867 (2) · Patent ES-1906-38692‎ (2) · Patent DE-1909-220044 (2) · Patent FR-1902-317598 (2) · Patent FR-1908-394254‎ (2) · Patent FR-1907-382794 (2) · Patent AT-1909-40038 (2) · Patent DE-1910-06-18 Carl Hanschke (2)
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None (83) · None (20) · Armengaud jeune (12) · Munn & Co. (10) · Chassevent (9) · J. Bonnet-Thirion (7) · Victor J. Evans (6) · Boramé et Julien (5) · C. Blétry (5) · Marks & Clerk (5) · Hippolyte Josse (5) · Ad. Sturm (5) · Herbert Haddan & Co. (4) · Boult, Wade & Tennant (4) · J. Germain (4) · G. de Mestral et F. Harlé (4)
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FR 6.4 (130) · None (53) · FR 6.3 (34) · USPC 244/30 (18) · DE 77 (18) · USPC 244/6 (16) · USPC 244/28 (11) · DE 77h.2 (10) · USPC 24/713.8 (8) · USPC 244/26 (6) · DE 77h (5) · USPC 244/66 (5) · USPC 244/12.1 (5) · USPC 244/25 (4) · USPC 244/125 (4) · USPC 244/67 (4)
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