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Notice: Trying to access array offset on value of type int in /home/econterm/econterms.net/aero/extensions/Cargo/drilldown/CargoFilterValue.php on line 79 Drilldown: Patents - Inventing aviation
Patents > Office:
FR& Applicant person:
Paul Lehmann& Applicant firm:
None& Tech fields:
air pressure& Supplementary to patent :
Patent DE-1908-239989orPatent GB-1909-12556& Related to aircraft :
.5?or1852-08-14orYes& IPCs:
IPC B64B1/62& Cites these patents:
None& Number of figures:
4-6