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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Publications of NA 043-04-17 AA

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ISO/IEC 21559-1	2022-03	Standards	Telecommunications and information exchange between systems - Future network protocols and mechanisms - Part 1: Switching and routing More	Order from DIN Media
ISO/IEC 21559-2	2023-01	Standards	Telecommunications and information exchange between systems - Future network protocols and mechanisms - Part 2: Proxy model-based quality of service More	Order from DIN Media
ISO/IEC 21559-3	2022-03	Standards	Telecommunications and information exchange between systems - Future network protocols and mechanisms - Part 3: Networking of everything More	Order from DIN Media
ISO/IEC 21888	2001-09	Standards	Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Specification, functional model and information flows; Call Identification and Call Linkage Additional Network Feature More	Order from DIN Media
ISO/IEC 21889	2001-09	Standards	Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network; Inter-exchange signalling protocol; Call Identification and Call Linkage Additional Network Feature More	Order from DIN Media
ISO/IEC 21989	2002-07	Standards	Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Short message service More	Order from DIN Media
ISO/IEC 21990	2002-07	Standards	Information technology; Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol; Short message service More	Order from DIN Media
ISO/IEC 21991	2002-06	Standards	Information technology; Telecommunications and information exchange between systems - Corporate telecommunication networks - Signalling interworking between QSIG and H.323; Call completion supplementary services More	Order from DIN Media
ISO/IEC 21992	2003-06	Standards	Information technology - Telecommunications and information exchange between systems; Private Integrated Services Network - Mapping Functions for the tunnelling of QSIG through IP Networks More	Order from DIN Media
ISO/IEC 22425	2017-11	Standards	Information technology - Telecommunications and information exchange between systems - NFC-SEC Test Methods More	Order from DIN Media

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