US 2,109,876 A5

GPTKB entity

Statements (11)
Predicate Object
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https://www.w3.org/2000/01/rdf-schema#label US 2,109,876 A5
gptkbp:inventor unknown
gptkbp:issueDate unknown
gptkbp:patentNumber 2,109,876 A5
gptkbp:status unknown
gptkbp:title unknown