Drilldown: Patents
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Patents > Office :
BE or
CU or
ES or
US
& Filing date:
1910 - 1919
& Grant date:
1911
& Supplementary to patent :
Patent FR-1911-430455 or
Patent IT-1909-11-20 Francesco Filiasi
& Number of figures:
1-3
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.