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Refractories and refractory raw materials. Methods for the determination of sodium and potassium oxide
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Automobile roads of general use. Petroleum-based bitumen binders. Method for determination of the properties using a dynamic shear rheometer (DSR)
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Shafts and openings of gas turbine engines. Landing ball and roller bearings
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Valves for nominal pressure at most PN 250. General specifications
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Equipment for zone refining of refractory metal without crucible. General requirements
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