Drilldown: Patents
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Patents > Office :
?? or
DEG or
NO or
UN or
Other
& Filing date:
1800 - 1899
& Application number:
None
& Grant date:
June 1884
& IPCs:
IPC B64C23/00
& Number of diagram pages:
2-70
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Showing below up to 1 result in range #1 to #1.