Drilldown: Patents
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Patents > Office
:
AT
or
BE
or
CH
or
LU
or
MX
& Supplementary to patent:
Patent FR-1911-426850
& National tech categories
:
CH 79i
or
GB 4 propel & steer
or
USPC 244/22
& First filing
:
Yes
or
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Showing below up to 1 result in range #1 to #1.