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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Pre-standard

I-ETS 300302-1
Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 1: Electroacoustic characteristics for 3,1 kHz bandwidth handset terminals

Edition 1996-11

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

I-ETS 300302-1 Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 1: Electroacoustic characteristics for 3,1 kHz bandwidth handset terminals

Michael Teigeler

Want to learn more?

I-ETS 300302-1
Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 1: Electroacoustic characteristics for 3,1 kHz bandwidth handset terminals