Security threads having at least two security detection features and security papers employing same

作者: Timothy T. Crane

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摘要: A visually verifiable and machine-readable thread having at least two security detection means located thereon, where a first (14) comprises repeating pattern second (18) metal-formed indicia (20). Such threads are suitable for use with documents, such as banknotes the like, labels any other documents or of identification used purposes which make verification authenticity each specimen desirable once in its lifetime.