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Low-voltage surge protective devices. Part 12. Surge protective devices connected to low-voltage power distribution systems. Selection and application principles

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Swimming pools. Markup. Requirements and test methods

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Lift check values for Pnom < or = 25 MPA (250 KGF/SM2). General specifications

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State system for ensuring the uniformity of measurements. Photoelectrical laboratory colorimeters. Verification procedure

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Plain bearings. Wrapped bushes. Checking the outside diameter

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Plain bearings pillow blocks with two bolt holes. Design and dimensions

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