Drilldown: Patents
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Patents > Office:
FR
& Filing date:
1913
& Publication date:
October 1913
& IPCs :
IPC B64C11/00 or
IPC B64C3/38 or
IPC B64C35/00 or
IPC B64C39/00
& First filing:
Yes
& Number of claims:
5-11
& Number of figures:
5-9
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