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ÖNORM ETS 300640

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

STANDARD published on 1.11.1996

German -
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German -
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The information about the standard:

Designation standards: ÖNORM ETS 300640
Note: WITHDRAWN
Publication date standards: 1.11.1996
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM