Drilldown: Patents
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- Airplane (18)
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- Patents (17538)
- Person (2108)
- Publications (24558)
- Techtypes (2373)
Patents > Year filed:
1860 - 1869
& Applicant type :
Hermann Burkardt or
INDIV
& Supplementary to patent :
Patent GB-1908-4519 or
None
& CPCs :
CPC B64B1/40 or
CPC B64C2700/6212
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.