Drilldown: Patents
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- Patents (17538)
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- Publications (24558)
- Techtypes (2373)
Patents > Filing date:
1800 - 1899
& Supplementary to patent:
Patent FR-1887-180850
& National tech categories
:
DE 77h
or
None
& CPCs
:
CPC B64C2700/6295
or
CPC B64C35/00
or
CPC E06B3/7005
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.