Drilldown: Patents
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Patents > Office:
DE
& Supplementary to patent
:
DE79446
or
Patent NO-1915-12-15 Carl Alfred Johansson
or
Patent SE-1906-23283
or
None
& National tech categories:
DE 77h.10 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 17 results in range #1 to #17.