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Refrigerating systems and heat pumps. Safety and environmental requirements. Part 2. Design, construction, testing, marking and documentation

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Cements and materials for cement production. Chemical analysis methods

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Textile auxiliaries. Method for determination of antifoaming effect

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Retention knobs for tool shanks with 7:24 taper forms AC, AD, AF, UC, UD, UF, JD and JF. Dimensions

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Low voltage systems. Cable systems. Cable systems for high performance networks into data centers. Basic principles

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Auxiliary for fire automatics. General technical requirements. Test methods

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