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  4. Standard "ETSI ETS 300138-1-ed.1"
Standard ETSI ETS 300138-1-ed.1 19.5.1992 preview

ETSI ETS 300138-1-ed.1

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification



STANDARD published on 19.5.1992


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33.60 USD

The information about the standard:

Designation standards: ETSI ETS 300138-1-ed.1
Publication date standards: 19.5.1992
SKU: NS-312196
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: European technical standard
Category: Technical standards ETSI

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