Auxiliary devices; Devices serving special purposes

Full Title

Apparatus specially adapted for preparation of record carriers for controlling composing machines (for casting individual characters or spaces, e.g. in type casting machines B41B7/04; methods for marking or reproducing record carriers having digital data thereon in general G06K1/00) > Auxiliary devices; Devices serving special purposes

Child Classifications

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• B41B 25/22 for indicating length of line
• B41B 25/24 for error correction
• B41B 25/26 for changing the fount of type