Drilldown: Patents
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Choose a table:
- Airplane (18)
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- Letters (683)
- Organizations (964)
- Patents (17553)
- Person (2113)
- Publications (24563)
- Techtypes (2373)
Patents > Office :
DE or
GR or
NL
& National tech categories :
DE 62b or
USPC 244/153R
& IPCs :
IPC B64B1/00 or
IPC B64C11/00 or
IPC B64C33/02
& Citations from after 1930:
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.