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Ductile iron fittings with parallel thread for pipelines. Tees with two passages. Basic dimensions
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Metallic manganese and nitrated manganese. Methods of sampling and sample preparation for chemical and physical-chemical analyses
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Gymnastic equipment. Gymnastic tables. Functional and safety requirements, test methods
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Pipeline valves. Swing and lift check valves. General specifications
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Ferrosilicozirconium. Method for determination of aluminium
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Cranes. Portal slewing cranes. General technical requirements
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