Two-dimensional code, corresponding coding and decoding method and code spraying and reading device
The invention relates to a two-dimensional code for livestock and poultry carcass skin code spraying, a corresponding coding and decoding method, and a code spraying and code reading device, a matrix graph of the two-dimensional code is composed of 33 * 33 modules, the content of the two-dimensional...
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Format: | Patent |
Sprache: | chi ; eng |
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