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Standard ČSN ETS 300640-ed.1 1.7.1997 preview

ČSN ETS 300640-ed.1 (873002)

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



STANDARD published on 1.7.1997


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The information about the standard:

Designation standards: ČSN ETS 300640-ed.1
Classification mark: 873002
Catalog number: 22275
Publication date standards: 1.7.1997
SKU: NS-172034
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Telecommunications in generalTelephone equipment

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ČSN ETSI EN 301796-V1.1.1ČSN ETSI EN 301796-V..

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ČSN P I-ETS 300380ČSN P I-ETS 300380..

1.8.1996

ČSN ETS 300488-ed.1ČSN ETS 300488-ed.1..

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