Drilldown: Patents
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Patents > Office
:
FR
or
NZ
& Inventor country:
IT
& Applicant type
:
INDIV
or
INDIV + COMPANY
or
UNIV-PRO-GOV
& IPCs
:
IPC B64B1/00
or
IPC B64C3/00
or
IPC B64C39/00
& Family year:
1911
& Citations from after 1930:
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