Найдено: 2
Overview IEC 63132-4:2020, issued by the International Electrotechnical Commission (IEC), provides comprehensive guidance for the installation procedures and tolerances specific to vertical Kaplan or…
What is BS EN IEC 63132 ‑ 4 about? BS EN IEC 63132 ‑ 4 is an international standard that gives suitable procedures and tolerances for the installation of hydroelectric vertical Kaplan or propeller tu…