JB/T 5190.4-1991
Technical requirements for surface treatment of nickel-plated layers of photomechanical parts (English Version)
- Standard No.
- JB/T 5190.4-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 5190.4-1991
JB/T 5190.4-1991 history
- 1991 JB/T 5190.4-1991 Technical requirements for surface treatment of nickel-plated layers of photomechanical parts
