Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Inventor country:
FR
& National tech categories :
AT 77d or
DE 77h.5 or
FR 6.3
& IPCs :
IPC B64B1/40 or
IPC B64C1/00 or
IPC B64C39/00
& First filing:
Yes
& Number of text pages:
8
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