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Low-voltage surge protective devices. Part 11. Surge protective devices connected to low-voltage power systems. Requirements and test methods
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Pipes and shaped products steel in polymer-mineral foam isolation. Specifications
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Wiring accessory. Ring stamped cable terminals, with open tail, attached to conductor core and insulations. Construction and sizes
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Rotating electrical machines. Part 7. Classification of types of construction, mounting arrangements and terminal box position (Code IM)
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Calculation of the effective parameters of magnetic piece parts
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