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Patents > Applicant firm: None & IPCs : IPC B64C17/00 or IPC B64C3/00 or IPC B64C39/00

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FR 6.4 (691) · None (327) · DE 77h.5 (23) · FR 6.3 (15) · USPC 244/45R (13) · USPC 244/80 (11) · USPC 244/13 (10) · USPC 244/48 (8) · USPC 244/46 (7) · DE 77h.11 (6) · USPC 244/70 (6) · FR 6.2 (5) · DE 77h.7 (4) · FR 5.3 (4) · USPC 244/27 (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (510) · CPC B64C39/00 (292) · CPC B64C2700/6295 (258) · CPC B64C2700/6218 (178) · CPC B64C3/00 (146) · CPC B64C2700/6212 (115) · CPC B64C2700/6214 (65) · CPC B64C39/005 (64) · CPC B64C2700/6235 (59) · CPC B64C2700/6233 (53) · CPC B64C39/08 (47) · CPC B64C2700/6219 (34) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64C2700/6215 (16) · CPC B64C39/006 (12) · CPC B64C3/385 (12) · CPC B64C3/48 (5) · CPC B64C1/00 (5) · CPC B64C3/56 (5)
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