Drilldown: Patents
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Patents > Year filed:
1911
& Inventor country :
CH or
HU or
NL
& Applicant type :
Hermann Burkardt or
INDIV or
INDIV+COMPANY
& Granted:
Yes
& CPCs :
CPC B64B1/40 or
CPC B64C23/005 or
None
& Number of text pages:
1-2
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Showing below up to 10 results in range #1 to #10.