Drilldown: Patents
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Patents > Office :
AU or
DE or
IN
& Inventor country :
AT or
ES or
RU
& Grant date:
1893
& National tech categories:
Klasse 77
& IPCs :
IPC B64C33/00 or
None
& Family year:
1890 - 1899
& Number of figures:
1-2
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.