Drilldown: Patents
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Patents > Office
:
DE
or
ES
or
JP
& National tech categories
:
DE 77h.5
or
USPC 244/153R
& CPCs
:
CPC B64C23/005
or
CPC B64C2700/6235
or
CPC B64C2700/6295
or
CPC B64C39/005
& Number of text pages:
2
& Number of diagram pages:
1 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 15 results in range #1 to #15.
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