Drilldown: Patents
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Patents > Year filed:
1910 - 1919
& Applicant is inventor:
Yes
& Grant date:
1919
& Granted:
Yes
& IPCs :
IPC B64C27/04 or
IPC B64C3/38 or
IPC B64C39/00
& CPCs :
CPC B64B1/58 or
CPC B64C39/00
& Number of diagram pages:
1-2
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