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  4. Standard "STN ETS 300139"
Standard STN ETS 300139 1.2.1994 preview

STN ETS 300139 (870139)

Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Service description



STANDARD published on 1.2.1994


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The information about the standard:

Designation standards: STN ETS 300139
Classification mark: 870139
Catalog number: 71262
Publication date standards: 1.2.1994
SKU: NS-540670
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN ETS 300139 (01.11.1994)

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The category - similar standards:

Integrated Services Digital Network (ISDN)

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Latest update: 2025-01-09 (Number of items: 2 218 396)
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