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Seamless cold-worked carbon and alloy steel tubes for special purposes. Specifications
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Earth-moving machinery. Basic types. Identification and terms and definitions
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Gas distribution systems. Requirements to gas distribution networks. Part 7. Polyethylene gas pipelines laid inside the existing pipeline
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United power system and isolated power systems. Relay protection and automation. Classification
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Spherical welded sleeves for tube connections on internal cone. Construction and dimensions
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Alloys platinum-copper. Methods for the determination of copper
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