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Pipes of austenitic chromium-nickel stainless steel, welded by electric fusion welding, for high temperature service and general applications. Specification

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Seamless austenitic steel pipes for high-temperature service. Specifications

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Welded steel tubes for pressure purposes of stainless steel. Technical delivery conditions

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System of technological preparation of production. Types, completeness and rules of registration of documents

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Electricity metering equipment (a.c.). Particular requirements. Digital meters

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Electricity metering equipment (a.c.). Particular requirements. Merging units

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Norma vydána dne 1.2.2025

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