UNE-EN ISO 2162-2:1997 TECHNICAL PRODUCT DOCUMENTATION. SPRINGS. PART 2: PRESENTATION OF DATA FOR CYLINDRICAL HELICAL COMPRESSION SPRINGS. (ISO 2162-2:1993).
1997UNE-EN ISO 2162-2:1997 TECHNICAL PRODUCT DOCUMENTATION. SPRINGS. PART 2: PRESENTATION OF DATA FOR CYLINDRICAL HELICAL COMPRESSION SPRINGS. (ISO 2162-2:1993).