Drilldown: Patents
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Patents > Office:
DE
& National tech categories :
DE 77h.2 or
DE 77h.5 or
USPC 244/22
& IPCs:
IPC B64C3/56
& Citations from after 1930:
None
Use the filters below to narrow your results.
None (1) ·
airplane (3) ·
design (2) ·
frame (2) ·
rudder (1) ·
steering (1) ·
Tragfläche (1) ·
whole (1) ·
wings (3)
Showing below up to 4 results in range #1 to #4.