Drilldown: Patents
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Patents > Year filed:
1908
& Publication date:
1912
& Related to aircraft :
1 or
1908-12-31 or
Partially or
flapping
& IPCs :
IPC B64B1/62 or
IPC B64C11/00 or
IPC B64C3/18
& Number of text pages:
2-3
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Showing below up to 1 result in range #1 to #1.