Drilldown: Patents

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Patents > Applicant person: None & Tech fields : Airship or propeller & Number of claims: 4-6

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Office:
Inventors:
None (9) · Thomas Augustus Dring (3) · Louis Bréguet (2) · André Gambin (2)
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National tech categories:
None (17) · DE 77h.6 (3) · AT 77d (3) · FR 6.4 (3) · HU V/h (3) · CH 115 (2) · AU 90.3 (2) · AU 90.5 (2)
CPCs:
None (22) · CPC B64C11/006 (2) · CPC B64C11/16 (2) · CPC B64B1/00 (2)
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