Drilldown: Patents
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Patents > Inventor country
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CA
or
CH
or
HU
or
NL
& Applicant type
:
COMPANY+INDIV
or
Hermann Burkardt
or
INDIV
& National tech categories:
FR 10.1
& CPCs
:
CPC B64B1/40
or
CPC B64C23/005
or
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Showing below up to 4 results in range #1 to #4.