Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions

Full Title

Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed > Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions

Child Classifications

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• B41J 3/445
• B41J 3/46 Printing mechanisms combined with apparatus providing a visual indication
• B41J 3/50 Mechanisms producing characters by printing and also producing a record by other means