Drilldown: Patents
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Patents > Year filed:
1910 - 1919
& Inventor country :
BE or
DE or
SE
& IPCs:
None
& CPCs :
CPC B64B1/40 or
CPC B64C2700/6235
& Number of text pages:
1-2
& Number of claims:
3
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.