Drilldown: Patents
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Patents > Office:
FR
& Related to aircraft :
1852-08-14 or
1912-01-30 or
1? or
No or
Yes or
None
& IPCs:
IPC B64D17/00
& Family year:
1900 - 1999
& Number of figures:
3-5
Use the filters below to narrow your results.
Showing below up to 9 results in range #1 to #9.