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Transmission system equipment bays for wire communication lines. Main dimensions
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Optical materials. Methods for determination of linear attenuation coefficient
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Information technology. International standardized profiles AMH1n. Message handling systems. Common messaging. Part 3. AMH11. Message transfer (P1)
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Information technology. Galvanic isolation of balanced interchange circuits
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Plates and platemade magnetoframes designed for transformers and throttles. Type and basic dimensions
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