| GB/T 1973.2-2025 English PDFGB/T 1973.2: Historical versions
 Basic dataStandard ID: GB/T 1973.2-2025 (GB/T1973.2-2025)Description (Translated English): Small cylindrical helical springs - Part 2: Dimension and parameters - Extension springs Sector / Industry: National Standard (Recommended) Date of Implementation: 2026-03-01 Older Standard (superseded by this standard): GB/T 1973.2-2005 |