Drilldown: Patents
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Patents > Filing date:
February 20, 1913
& Supplementary to patent :
Patent HU-1901-24148 or
Patent US-1912-1031461
& IPCs :
IPC B64C11/00 or
IPC B64C3/18 or
IPC B64C33/00 or
IPC B64C33/02
& Number of claims:
1
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Showing below up to 1 result in range #1 to #1.