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UNE 40208:1976 WOOL-MEASUREMENT OF THE LENGTH OF FIBRES PROCESSED ON THE WORSTED SYSTEM, USING A FIBRE DIAGRAM MACHINE
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UNE 61006:1975 REFRACTORY MATERIALS. INTERNAL DEFECTS. ACCEPTANCE AND REJECTION CRITERIA
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UNE 61011:1975 REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF THE REFRACTORIES OF VERY HIGH CONTENT IN ALUMINA. PRODUCTS OF SILLIMANITE GROUP
UNE 61013:1975 REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF THE REFRACTORIES OF VERY HIGH CONTENT IN ALUMINA.
UNE 61012:1975 REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF THE REFRACTORIES OF VERY HIGH CONTENT IN ALUMINA. PRODUCTS OF SYNTHETIC MULLITE
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UNE 61015:1975 REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF ALUMINA REFRACTORIES. REFRACTORIES OF 41 TO 43 % OF ALUMINA
UNE 61016:1975 REFRACTORY MATERIALS. GENERAL CHARACTERISTICS OF ALUMINA REFRACTION. REFRACTORY OF 39 TO 41 % ALUMINA