Drilldown: Patents
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- Patents (17537)
- Person (2106)
- Publications (24555)
- Techtypes (2373)
Patents > Year granted:
1918
& Office :
DEG or
GB or
IN or
RU
& National tech categories:
None
& CPCs :
CPC B64C13/00 or
CPC B64C3/385
Use the filters below to narrow your results.
Showing below up to 7 results in range #1 to #7.