Drilldown: Patents
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Patents > Office
:
DE
or
NL
& Filing date:
1880 - 1889
& Supplementary to patent
:
DE79446
or
Patent NO-1915-12-15 Carl Alfred Johansson
or
None
& Number of text pages:
3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 10 results in range #1 to #10.