Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Office :
DE or
GR
& Application number:
None
& Granted:
None
& Supplementary to patent:
None
& National tech categories :
FR 6.4 or
None
& IPCs :
IPC B64C3/38 or
None
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.