
Cylindrical helical springs made from round wire and bar - Calculation and design Part 3: Torsion springs
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
NF EN 13906-3:2014 - Identical
BS EN 13906-3:2014 - Identical
ONORM EN 13906-3:2014 - Identical