SJ 42-1977
Classification properties,field of applications and marking of metallic coaings and chemically treated layers (English Version)

Standard No.

SJ 42-1977

Language

Chinese, Available in English version

Release Date

1978

Published By

Professional Standard - Electron

Latest

SJ 42-1977

Replace

SJ 42-1964

SJ 42-1977 history

• 1978 SJ 42-1977 Classification properties,field of applications and marking of metallic coaings and chemically treated layers
• 0000 SJ 42-1964