DIN - German Institute for Standardization

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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
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Standards [CURRENT]

NF C97-420/A1
Electro-acoustics. High fidelity equipments and systems. Amplifiers. Requirements

Title (German)

Elektroakustik. Hi-Fi Geraete und Systeme. Verstaerker. Vorschriften

Edition 1980-05-01

Original language French

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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

NF C97-420/A1 Electro-acoustics. High fidelity equipments and systems. Amplifiers. Requirements

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NF C97-420/A1
Electro-acoustics. High fidelity equipments and systems. Amplifiers. Requirements