DPI
Valid characters
Explanation
- Known also as USS Code 39, 3 of 9.
- Code 39 can encode alphanumeric characters.
- The symbology is used in non-retail environment.
- Code 39 is designed to encode 26 upper case letters, 10 digits and 7 special characters.
- Code 39 has a checksum but it's rarely used.
Output
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