Drilldown: Patents
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Patents > Inventor country :
FR or
GB or
RO
& Filing date:
December 1906
& Publication date:
1900 - 1909
& National tech categories :
FR 6.4 or
GB 4 without buoyant
& IPCs :
IPC B64B1/58 or
IPC B64C11/00
& Cites these patents:
None
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Showing below up to 2 results in range #1 to #2.