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shall be constructed of stainless steel with: thickness/diameter ratio of 0,025 or less for dilution tunnels with inside diameters greater than 75 mm; a nominal thickness of no less then 1,5 mm for dilution tunnels with inside diameters of equal to or less than 75 mm;
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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.