Drilldown: Patents
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Patents > Inventor country :
AT or
AU or
ES or
FR
& Filing date:
1912
& Supplementary to patent:
Patent FR-1911-440594
& Related to aircraft :
.5? or
Yes
& National tech categories:
AT 77d
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.