ÖNORM ETS 300640

Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays

NORM herausgegeben am 1.11.1996

The information about the standard:

Designation standards: ÖNORM ETS 300640
Note: UNGÜLTIG
Publication date standards: 1.11.1996
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM