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لطفا اگه کسی استانداردهای زیر رو داره برای من بفرسته
DIN EN 13906-Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1: Compression springs
DIN 2096-Helical compression springs made of round wire and rod; Quality requirements for hot formed compression springs
ممنون
لطفا اگه کسی استانداردهای زیر رو داره برای من بفرسته
DIN EN 13906-Cylindrical helical springs made from round wire and bar - Calculation and design - Part 1: Compression springs
DIN 2096-Helical compression springs made of round wire and rod; Quality requirements for hot formed compression springs
ممنون