Drilldown: Patents
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Patents > Inventor country :
CH or
NL or
RO
& National tech categories :
NL 62.5 or
USPC 244/153R or
USPC 244/90R
& IPCs :
IPC B64C3/18 or
IPC B64C3/38 or
IPC B64C35/00 or
IPC B64D17/00
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.