Perforating machine for anti-counterfeit label production and perforating method thereof
The invention relates to the technical field of anti-counterfeit labels, in particular to a perforating machine for anti-counterfeit label production and a perforating method thereof.The perforating machine comprises a bottom plate and further comprises a supporting frame fixedly connected to the up...
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Format: | Patent |
Sprache: | chi ; eng |
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