Drilldown: Patents
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Patents > Year filed:
1911
& Office :
FR or
GB
& Supplementary to patent:
Patent GB-1911-1935
& CPCs :
CPC B64C13/00 or
CPC B64C2700/6218 or
CPC B64C2700/6274
& First filing :
No or
Other
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.