Drilldown: Patents
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Patents > Year granted:
1911
& Inventor country :
ES or
US
& Filing date:
1910 - 1919
& National tech categories:
USPC 244/30
& IPCs:
IPC B64B1/00
& Cites these patents :
1910 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.