IEC 60404-7:2019 Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit
2019IEC 60404-7:2019 Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit
1982IEC 60404-7:1982 Magnetic materials. Part 7 : Method of measurement of the coercivity of magnetic materials in an open magnetic circuit