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Gas distribution systems. Requirements to gas distribution networks. Part 7. Polyethylene gas pipelines laid inside the existing pipeline

Document status: Active

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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Protective devices against diagnostic medical X-radiation. Part 2. Protective glass plates

Document status: Cancelled

Cleanrooms and associated controlled environments. Part 18. Assessment of suitability of consumables

Document status: Active