Drilldown: Patents
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- Airplane (18)
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- Patents (17613)
- Person (2133)
- Publications (24568)
- Techtypes (2381)
Patents > Year filed:
1882
& Year granted:
1880 - 1889
& Supplementary to patent :
1 or
Patent DE-1907-206614 or
None
& National tech categories :
AT 77d or
DE 77
& IPCs:
IPC B64C39/00
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.