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Dear Customer,

This year, on the occasion of our 100th anniversary, we will be positioning ourselves for the future as part of the DIN Group with a new name. 

And so as of April 22, 2024

Beuth Verlag will become DIN Media. 

You can find out more about our new name and the reasons behind it here.

Yours sincerely,
Beuth Verlag

Standards Worldwide
Standards Worldwide
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Standard [CURRENT]

DIN ETS 300137:1992-12

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; functional capabilities and information flows; english version ETS 300137:1992

German title
ISDN; Dienstmerkmal Geschlossene Benutzergruppe; Funktionelle Fähigkeiten und Informationsflüsse; Englische Fassung ETS 300137:1992
Publication date
1992-12
Original language
English
Pages
36

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Publication date
1992-12
Original language
English
Pages
36
DOI
https://dx.doi.org/10.31030/2554314

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ICS
33.080
DOI
https://dx.doi.org/10.31030/2554314

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