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GIESECK DEVRIENT CURRENCY TECH GMBH

DE·1 granted patent·0 citations·filing 2017–2017

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0147US11521451B2Method and apparatus for detecting a security thread in a value documentGIESECK DEVRIENT CURRENCY TECH GMBH·Filed 2017·Granted Dec 6, 2022·0 cites·21 claims

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