Drilldown: Patents
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& Filing date:
1800 - 1899
& Supplementary to patent:
Patent DE-1883-26930
& IPCs:
IPC B64C23/00
& CPCs:
CPC B64C23/005
& Number of diagram pages:
2-70 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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