28.23.1: Typewriters, word-processing and calculating machines
C
28
28.2
28.23
Children
28.23.11: Typewriters and word-processing machines
28.23.12: Electronic calculators and pocket-size data recording, reproducing and displaying machines with calculating functions
28.23.13: Accounting machines, cash registers, postage-franking machines, ticket-issuing machines and similar machines, incorporating a calculating device
Corresponds to
No mappings available
Translates to: