QJ 1181.1A-1995 Heat treatment of soft magnetic alloy Heat treatment of iron-nickel soft magnetic alloy has been changed from QJ/Z 141-1985 .
QJ 1181.1A-1995 Heat treatment of soft magnetic alloy Heat treatment of iron-nickel soft magnetic alloy has been changed from QJ/Z 139-1985 .
QJ 1181.1A-1995 Heat treatment of soft magnetic alloy Heat treatment of iron-nickel soft magnetic alloy has been changed from QJ/Z 145-1985 .
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