Drilldown: Patents
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Patents > Inventor country:
DE
& Granted:
Yes
& Supplementary to patent :
Patent DE-1895-98580 or
Patent DE-1913-02-20 Gustav Mees
& National tech categories :
FR 6.4 or
USPC 244/119
& First filing:
Yes
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.