DIN 12553:2023-12 Laboratory glassware - Double oblique bore stopcocks / Note: Date of issue 2023-11-17*Intended as replacement for DIN 12553 (2020-03).
2023DIN 12553:2023-12 Laboratory glassware - Double oblique bore stopcocks / Note: Date of issue 2023-11-17*Intended as replacement for DIN 12553 (2020-03).