Drilldown: Patents
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Patents > Year filed:
1911
& Inventor country :
GB or
RO
& Application number:
15849D
& Assigned to :
Varioplane Company or
None
& National tech categories :
FR 6.4 or
GB 4 without buoyant
& CPCs :
CPC B64C2700/6295 or
CPC B64C3/385
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