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- Mar 28, 2018 -

Can represent numbers 0 - 9, characters $, +, -, and a, b, cd, which can only be used as start/stop characters. Four characters, variable length, no check digits, used for material management, books In the museum, blood station, and current airport parcel delivery, the blank area is 10 wider than the narrow bar. The bar code is non-continuous and each character is represented as 4 empty spaces. Codabar aka NW 7, NW 7 is the name in Japan.