Drilldown: Patents
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Patents > Office:
RU
& Application number
:
403161D
or
449503D
& Supplementary to patent
:
Patent FR-1907-373818
or
Patent FR-1909-420322
or
Patent NO-1915-12-15 Carl Alfred Johansson
& Related to aircraft
:
0?
or
1911-07-04
or
Yes
& Number of claims:
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