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ISO 6915:1991 pdf download – Flexible cellular polymeric materials 一Polyurethane foam for laminate use -Specification

ISO 6915:1991 pdf download – Flexible cellular polymeric materials 一Polyurethane foam for laminate use -Specification. 3 Appearance 3.1 The material shall consist of a unilorm network of celia and shall ho Irea from any flaws, Mains and other defects whkh...
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