In this paper, the manufacturing principle of laser-carving seal was introduced. 14 homologous laser-carving rubber-plastic seals were made by author and prints were analyzed. The differences of the characteristics of the prints of homologous laser-carving rubber-plastic seals were concluded, the attentive points were also proposed for the inspection and identification of prints of this kind seal.
Key words
laser-carving seal /
print of seal /
identification
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References
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Footnotes
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