Designation: A689 − 25Standard Specification forCarbon and Alloy Steel Bars for Springs1This standard is issued un...
Обозначение А 689–97 (Переутвержден в 2013 г.)ε1СТАНДАРТНАЯ СПЕЦИФИКАЦИ...
Designation: A689 − 97 (Reapproved 2018)Standard Specification forCarbon and Alloy Steel Bars for Springs1This stan...
IEC TR 61000-4-37-2016 disk.zip81
