lexiara

preamble_505

(b) In the case of mixtures of compressed gases, when filled by pressure, the proportion of the volume indicated as a percentage of the total volume of the gaseous mixture, or, when filled by mass, the proportion of the mass indicated as a percentage of the total mass of the mixture;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.