Drilldown: Patents
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- Patents (17612)
- Person (2133)
- Publications (24568)
- Techtypes (2381)
Patents > Year granted:
1880 - 1889
& Office
:
DE
or
LU
or
NL
or
Other
& Applicant type
:
INIDV
or
None
& CPCs:
CPC B64C23/005
& First filing
:
No
or
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