Drilldown: Patents
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Patents > Office :
CH or
GB or
IN or
LU
& Filing date:
1920 - 1929
& Application number:
None
& Related to aircraft:
1
& CPCs :
CPC B64B1/58 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.