2024-690352194-5 Welded Pipes (Engined Units (Pipelines) For Internal Heating Systems Of Buildings From Electric-Welded Steel Pipes Without Cells And Fasteners With A Conditional Both Diameter 150 Mm - 5 M; Units Large (Pipelines) For Internal Heating Systems Of Buildings From Electric-Welded Steel Pipes Without Cells And Mountings With A Diameter Of Conditional Both 80 Mm - 5 M; Increased Installation Units (Pipelines) For Internal Drains From Electric-Welded Steel Pipes Complete With A Water Seal (Without The Cost Of Mountings) Externally Diameter 102 Mm - 5 M

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