中国银联电子签字板规范(QCUP 043-2011) UnionPay POS terminal e

Title: 中国银联电子签字板规范(QCUP 043-2011)

Description: UnionPay POS terminal electronic signature version specification, explain the POS terminal internal interaction, signature standard

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中国银联电子签字板规范(QCUP 043-2011).pdf

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