JB/T 5190.8-1991
Technical requirements for surface treatment of black chrome plating on photomechanical parts (English Version)

Standard No.
JB/T 5190.8-1991
Language
Chinese, Available in English version
Release Date
1991
Published By
Professional Standard - Machinery
Status
Latest
JB/T 5190.8-1991

JB/T 5190.8-1991 history

  • 1991 JB/T 5190.8-1991 Technical requirements for surface treatment of black chrome plating on photomechanical parts
Technical requirements for surface treatment of black chrome plating on photomechanical parts



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