QJ/Z 139-1985
(English Version)
- Standard No.
- QJ/Z 139-1985
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aerospace
- Status
- Replace By
- QJ 1181.1A-1995
- Latest
- QJ 1181.1A-1995
QJ/Z 139-1985 history
- 1995 QJ 1181.1A-1995 Heat treatment of soft magnetic alloy Heat treatment of iron-nickel soft magnetic alloy
- 1970 QJ/Z 139-1985
QJ/Z 139-1985 was changed to QJ 1181.1A-1995 Heat treatment of soft magnetic alloy Heat treatment of iron-nickel soft magnetic alloy.
