AFNOR - NF ETS 300640
Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 April 2000 |
| Status: | active |
| Page Count: | 9 |
| ICS Code (Telephone equipment): | 33.050.10 |
| ICS Code (Ergonomics): | 13.180 |
Document History
NF ETS 300640
April 1, 2000
Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays
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