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Patents > CPCs : CPC B64C2700/6274 or CPC B64C2700/6295

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None (696) · Seine (3) · London (3) · Eure (3) · California (3) · Indiana (2) · Stockton (2) · Nord (2) · County of London (2) · St. Louis (2) · Seine-et-Oise (2) · Paris (2)
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None (612) · Patent US-1911-994106 (2) · Patent FR-1909-403418 (2) · Patent DE-1910-06-18 Carl Hanschke (2) · Patent NZ-1909-26981 (2) · Patent FR-1916-502839 (2) · Patent FR-1909-421311 (2) · Patent FR-1915-525800 (2) · Patent FR-1909-395148 (2) · Patent FR-1910-421136 (2) · Patent FR-1913-461629 (2) · Patent FR-1908-394254‎ (2) · Patent DE-1912-265515 (2) · Patent FR-1912-441089 (2) · Patent AT-1909-40038 (2) · Patent DE-1909-220044 (2)
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None (342) · None (31) · Armengaud jeune (13) · J. Germain (11) · Marks & Clerk (10) · J. Bonnet-Thirion (10) · Boult, Wade & Tennant (8) · G. Petiau (7) · Weismann et Marx (7) · Victor J. Evans (6) · Paul Caquet (6) · W. P. Thompson & Co. (6) · E. Blétry (6) · Chassevent (6)
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None (356) · FR 6.4 (235) · USPC 244/45R (42) · USPC 244/13 (28) · USPC 244/87 (8) · USPC 244/90R (7) · USPC 244/91 (7) · USPC 244/48 (4) · USPC 244/233 (4) · USPC 244/50 (4) · USPC 244/113 (4) · USPC 244/100R (4) · USPC 244/119 (4) · FR 6.3 (4) · USPC 244/903 (3) · USPC 244/47 (3) · DE 77h.5 (3) · USPC 244/139 (3)
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