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Patents > CPCs : CPC B61D41/00 or CPC B64C3/385

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None (214) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1908-392672 (3) · Patent CA-1910-131159 (2) · Patent FR-1908-398707 (2) · Patent FR-1912-457441 (2) · Patent SE-1917-46288 (2) · Patent DE-1909-244106 (2) · Patent US-1912-1062545 (2) · Patent US-1912-1077892 (2)
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None (101) · Armengaud jeune (9) · None (8) · E. Blétry (5) · J. S. Withers & Spooner (5) · J. Bonnet-Thirion (4) · Marks & Clerk (4) · Schwab (4) · Munn & Co. (4) · Haseltine, Lake & Co. (3) · Georges Faugé (3) · L. Chassevent (3) · Victor J. Evans (3)
National tech categories:
None (104) · FR 6.4 (81) · USPC 244/48 (22) · DE 77h.5 (11) · USPC 244/99.11 (9) · USPC 244/38 (6) · USPC 244/90R (6) · USPC 244/119 (5) · USPC 244/234 (3) · USPC 244/47 (3) · USPC 244/65 (3) · USPC 244/88 (3)
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