GB 1422-1989
Iridium powder (English Version)

Standard No.

GB 1422-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2004-07

Replace By

GB/T 1422-2004

Latest

GB/T 1422-2018

GB 1422-1989 history

• 2018 GB/T 1422-2018 Iridium powder
• 2004 GB/T 1422-2004 Iridium powder
• 1989 GB 1422-1989 Iridium powder