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Patents > CPCs : CPC B64C2700/6228 or CPC B64C2700/6295

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None (532) · Patent FR-1910-435648 (2) · Patent FR-1912-441089 (2) · Patent NZ-1909-26981 (2) · Patent FR-1909-403418 (2) · Patent DE-1912-265515 (2) · Patent FR-1909-421311 (2) · Patent FR-1910-421136 (2) · Patent US-1911-994106 (2) · Patent FR-1909-395148 (2) · Patent AT-1913-66955 (2) · Patent FR-1913-461629 (2) · Patent FR-1916-502839 (2)
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None (330) · None (19) · Armengaud jeune (13) · Weismann et Marx (8) · Marks & Clerk (8) · J. Germain (8) · J. Bonnet-Thirion (7) · G. Petiau (7) · Munn & Co. (6) · Boult, Wade & Tennant (6) · L. Chassevent (5) · Hyde & Heide (5) · Y. Rabilloud et fils (5)
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None (314) · FR 6.4 (175) · USPC 244/45R (41) · USPC 244/13 (28) · USPC 244/91 (8) · USPC 244/87 (8) · USPC 244/90R (7) · FR 6.3 (4) · USPC 244/48 (4) · USPC 244/233 (4) · USPC 244/100R (4) · USPC 244/119 (4) · USPC 244/113 (4) · USPC 244/50 (3) · USPC 244/903 (3) · DE 77h.5 (3) · USPC 244/139 (3) · USPC 244/47 (3)
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