Designation: B170 − 99 (Reapproved 2020)Standard Specification forOxygen-Free Electrolytic Copper—Refinery Shapes1This...
Designation: B170 − 24Standard Specification forOxygen-Free Electrolytic Copper—Refinery Shapes1This standard is issu...
Обозначение B 170–99 (Переутвержден в 2010 г)ε1СТАНДАРТНАЯ СПЕЦИФИКАЦИЯ...

