ÖNORM EN 15979:2011-04

Действует

Testing of ceramic raw and basic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by OES by DC arc excitation

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На этот документ ссылаются

DIN EN ISO 1927-3:2013-03

Действует

Monolithic (unshaped) refractory materials - Part 3: Characterization as received (ISO 1927-3:2012); German version EN ISO 1927-3:2012 — 18 стр.

ÖNORM EN ISO 1927-3:2013-05

Действует

Monolithic (unshaped) refractory products - Part 3: Characterization as received (ISO 1927-3:2012)