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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 (656) · None (308) · DE 77h.5 (17) · FR 6.3 (15) · USPC 244/45R (13) · USPC 244/80 (13) · USPC 244/13 (11) · USPC 244/46 (9) · USPC 244/48 (8) · USPC 244/70 (6) · FR 6.2 (5) · USPC 244/9 (4) · USPC 244/87 (4) · DE 77h.11 (4) · DE 77h.7 (4) · USPC 244/27 (4) · USPC 244/20 (4) · USPC 244/49 (4)
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CPCs:
CPC B64C17/00 (488) · CPC B64C39/00 (282) · CPC B64C2700/6295 (275) · CPC B64C2700/6218 (187) · CPC B64C3/00 (143) · CPC B64C2700/6212 (108) · CPC B64C2700/6214 (65) · CPC B64C2700/6235 (63) · CPC B64C39/005 (62) · CPC B64C2700/6233 (55) · CPC B64C39/08 (40) · CPC B64C2700/6219 (37) · CPC B64C39/008 (26) · CPC B64C39/003 (18) · CPC B64C2700/6215 (16) · CPC B64C3/385 (12) · CPC B64C39/006 (12) · CPC B64C2700/6211 (6) · CPC B64C3/40 (6)
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