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Patents > Patent agent : Armengaud jeune or None & CPCs : CPC B64B1/00 or CPC B64C3/00

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Tech fields:
None (218) · LTA (177) · frame (86) · Propulsion (53) · Airplane (47) · navigation (43) · balloon (38) · construction (36) · Design (35) · Wings (29) · propeller (28) · dirigible (24) · Airship (20) · car (20) · stability (19) · safety (18) · hybrid (17) · rigid (14) · compartments (14) · rudder (13)
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Supplementary to patent:
None (465) · Patent FR-1907-373818 (4) · Patent FR-1911-429224 (2) · Patent FR-1913-472867 (2)
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National tech categories:
None (206) · FR 6.4 (98) · USPC 244/30 (35) · DE 77h.5 (27) · FR 6.3 (22) · USPC 244/26 (15) · DE 77 (14) · DE 77h.2 (12) · USPC 244/25 (10) · USPC 244/28 (9) · DE 77h.7 (8) · USPC 24/713.8 (7) · USPC 244/125 (7) · USPC 244/99 (5) · USPC 244/29 (5) · USPC 244/127 (4) · USPC 244/67 (4)
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