Drilldown: Patents
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Patents > Year granted:
1860 - 1869
& Inventor country:
BE
& Application number:
None
& National tech categories:
None
& Cites these patents :
Patent FR-1911-438363 or
Patent US-1903-821393 or
USPC 244/87 or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.