DIN EN 60404-4:2009-08

Действует

Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials (IEC 60404-4:1995 + A1:2000 + A2:2008); German version EN 60404-4:1997 + A1:2002 + A2:2008 — 33 стр.