Drilldown: Patents
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Patents > Office:
DE
& Applicant type :
COMPANY or
А. Нейфельд
& IPCs:
IPC B64C11/16
& CPCs :
CPC B64B1/40 or
CPC B64B1/58 or
CPC B64C39/005 or
None
& Citations from after 1930:
None
& Number of figures:
None
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