ISO 5940-2:2007

Действует

Carbonaceous materials used in the production of aluminium -- Pitch for electrodes -- Part 2: Determination of the softening point (Mettler softening point method) — 14 стр.

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ÖNORM EN 14261:2004-02

Действует

Derivatives from coal pyrolysis - Coal tar and pitch based binders and related products: refractory binders - Characteristics and test methods