Drilldown: Patents
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Patents > Filing date:
1800 - 1899
& Supplementary to patent
:
Patent BE-1909-214032
or
Patent FR-1891-216860
or
Patent GB-1911-29012
or
None
& IPCs:
IPC F42B10/00
& CPCs:
CPC F42B10/30
& Number of text pages:
2
& Number of claims:
3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.