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GB/T 40204-2021 English PDF (GBT40204-2021)

GB/T 40204-2021 English PDF (GBT40204-2021)

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GB/T 40204-2021: General rules of two dimensional barcodes for traceability
This document specifies the basic requirements, data structure, information processing, symbols and symbol quality requirements for two dimensional barcodes for traceability. This document applies to the establishment, management and application of traceability systems using two-dimensional barcodes as information carriers.

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