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See Chinese contents: GB/T 42512-2023 GB/T 42512-2023: Copper alloy seamless coil tube for sheath
This Document stipulates the classification and labeling, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and accompanying documents and order forms of copper alloy seamless coil tube for sheath (hereinafter referred to as and quot;tube and quot;). This Document is applicable to copper alloy seamless coil tube for sheath used in high-speed railways, urban rail transit, communication optical cables, safety conductor cables and other fields.
