Drilldown: Patents
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Patents > Office:
FR
& Inventor country :
HU or
US or
VN
& Filing date:
December 27, 1917
& Application number:
490512D
& IPCs :
IPC B64C13/00 or
IPC B64C3/00 or
IPC B64C31/06 or
IPC B64C39/00
& Number of text pages:
4-6
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Showing below up to 1 result in range #1 to #1.