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Patents > CPCs : CPC B22D33/00 or CPC B64C11/006 or CPC B64C2700/6256

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None (487) · Patent GB-1913-3848 (2) · Patent FR-1909-410848 (2) · Patent FR-1912-451312 (2) · Patent DE-1912-267069 (2) · Patent AU-1909-16369 (2) · Patent US-1909-1008096 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
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None (337) · Armengaud jeune (12) · None (10) · Marks & Clerk (8) · Boult, Wade & Tennant (7) · Brewer & Son (7) · Weismann et Marx (5) · Munn & Co. (5) · J. Bonnet-Thirion (5) · E. Blétry (5) · Y. Rabilloud et fils (5) · Abel & Imray (5) · L. Chassevent (4) · Brierley & Howard (4) · P. Follin (3) · Brandon frères (3) · Lloyd Wise & Co. (3)
National tech categories:
None (384) · FR 6.4 (103) · FR 6.2 (11) · USPC 416/113 (11) · USPC 416/108 (7) · USPC 416/116 (6) · DE 77h.6 (4) · USPC 244/71 (4) · FR 6.3 (3) · DE 77h.5 (3) · USPC 416/109 (2) · FR 5.8 (2) · DE 77h.8 (2)
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