Drilldown: Patents
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Patents > Office
:
DE
or
RU
& Supplementary to patent
:
Patent FR-1909-420322
or
None
& National tech categories
:
DE 77h.5
or
None
& CPCs
:
CPC B64C2700/6295
or
CPC B64C3/00
& Number of text pages:
2
& Number of figures:
2-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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None (4) ·
318934D (1) ·
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Showing below up to 15 results in range #1 to #15.