Drilldown: Patents
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Patents > Office
:
DE
or
RU
& Applicant type:
COMPANY
& 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 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (3) ·
318793D (1) ·
318934D (1) ·
319217D (1) ·
319965D (1) ·
320520D (1) ·
321072D (1) ·
322230D (1) ·
323761D (1) ·
324904D (1) ·
328214D (1)
Showing below up to 13 results in range #1 to #13.