内蒙古11选5 500期走势图

Tools

Check digit calculator
Calculate correct check digit for barcodes.

Who owns this barcode?
Find companies linked to GS1 barcode numbers.

Standards

See how GS1 standards work
GS1 standards help you single out what really matters.

Need a barcode?

Our barcodes identify products uniquely so they can be sold anywhere in the world.

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