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Standard DIN ETS 300640:1997-04 1.4.1997 preview

DIN ETS 300640:1997-04

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



STANDARD published on 1.4.1997


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Price48.30 USD excl. VAT
48.30 USD

The information about the standard:

Designation standards: DIN ETS 300640:1997-04
Publication date standards: 1.4.1997
SKU: NS-249108
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: German technical standard
Category: Technical standards DIN

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The category - similar standards:

Telephone equipment

Annotation of standard text DIN ETS 300640:1997-04 :

Menschliche Belange - Zuordnung des Buchstabenalphabets zu den Ziffern auf genormten Telefontastaturanordnungen.

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