Drilldown: Patents
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Patents > Inventor country :
CH or
DE or
HU or
NL
& Applicant type :
Hermann Burkardt or
INDIV
& IPCs :
IPC B64B1/00 or
IPC B64B1/58
& CPCs :
CPC B64B1/40 or
CPC B64C11/006 or
CPC B64C23/005 or
None
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Showing below up to 6 results in range #1 to #6.