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Standard STN EN 301821-V1.2.1 1.7.2004 preview

STN EN 301821-V1.2.1 (871821)

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private User Mobility (PUM); Registration supplementary service [ISO/IEC 17876 (2003), modified]



STANDARD published on 1.7.2004


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The information about the standard:

Designation standards: STN EN 301821-V1.2.1
Classification mark: 871821
Catalog number: 95771
Publication date standards: 1.7.2004
SKU: NS-520751
The number of pages: 75
Approximate weight : 225 g (0.50 lbs)
Country: Slovak technical standard
Category: Technical standards STN

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Latest update: 2025-04-30 (Number of items: 2 198 114)
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