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  4. Standard "ETSI ETS 300640-ed.1"
Standard ETSI ETS 300640-ed.1 15.8.1996 preview

ETSI ETS 300640-ed.1

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



STANDARD published on 15.8.1996


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16.50 USD

The information about the standard:

Designation standards: ETSI ETS 300640-ed.1
Publication date standards: 15.8.1996
SKU: NS-313320
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: European technical standard
Category: Technical standards ETSI

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