> For the complete documentation index, see [llms.txt](https://wiki.hacode.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.hacode.vn/may-quet-ma-vach/honeywell-1950-gud/so-tay-ma-vach.md).

# Sổ tay mã vạch

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