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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

Standards [CURRENT]

SN EN ISO 1157
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990)

Title (German)

Kunststoffe - Celluloseacetat in verdünnter Lösung - Bestimmung der Viskositätszahl und des Viskositätsverhältnisses (ISO 1157:1990)

Edition 1999-09

Original language German

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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

SN EN ISO 1157 Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990)

Want to learn more?

SN EN ISO 1157
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio (ISO 1157:1990)