Drilldown: Patents
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Patents > Year filed:
1880 - 1889
& Office :
AU or
CU or
DE
& Inventor country :
BE or
RU
& Supplementary to patent :
DE79446 or
Patent NO-1915-12-15 Carl Alfred Johansson or
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.