Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Office
:
CA
or
DE
or
FI
or
SAX
& Inventor country:
HU
& CPCs
:
CPC B64C2700/6274
or
None
& Number of text pages:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.