Drilldown: Patents
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Patents > Office :
CA or
DE or
LU
& Grant date:
1800 - 1899
& IPCs :
IPC B64C3/00 or
None
& CPCs:
CPC B64C23/005
& Number of text pages:
2
& Number of figures:
3-4
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.