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Patents > Applicant type: INDIV & Tech fields : Airship or construction or propellers

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Related to aircraft:
National tech categories:
FR 6.4 (511) · None (430) · HU V/h (159) · BE K (83) · FR 6.3 (67) · FR 6.2 (55) · AT 77d (54) · DE 77 (15) · CH 129b (11) · DE 77h.5 (8) · FR 5 (8) · DE 77h.6 (8) · NL 62 (7) · DK 77 (7) · FR 6 (7) · FR 10.1 (6)
IPCs:
None (675) · IPC B64C39/00 (112) · IPC B64B1/00 (75) · IPC B64C11/00 (72) · IPC B64C1/00 (50) · IPC B64C17/00 (45) · IPC B64C3/00 (38) · IPC B64C23/00 (33) · IPC B64B1/58 (26) · IPC B64C3/18 (26) · IPC B64C27/04 (22) · IPC B64C11/16 (22) · IPC B63H1/12 (21) · IPC B64C11/04 (20) · IPC B64C33/02 (20) · IPC B64C11/20 (19) · IPC B64C35/00 (16) · IPC B64C1/06 (15) · IPC B64C25/00 (14)
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