Drilldown: Patents
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- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Office :
DE or
JP or
US
& National tech categories :
USPC 244/30 or
None
& IPCs :
IPC B64C17/00 or
None
& Cites these patents :
Patent FR-1911-438363 or
Patent US-1903-821393
& Number of figures:
9-13
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