Drilldown: Patents
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Patents > Year granted:
1911
& Office :
BE or
DE or
LU
& Applicant firm:
None
& Applicant type :
COMPANY or
FIRM or
INDIV
& CPCs :
CPC B64C2700/6295 or
CPC F16C17/10
& Citations from after 1930:
None
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Showing below up to 1 result in range #1 to #1.