QB/T 2022-2023
Lead-zinc-cupronickel bars for watches (English Version)

Standard No.

QB/T 2022-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Light Industry

Latest

QB/T 2022-2023

Replace

QB/T 2022-2007

QB/T 2022-2023 history

• 2023 QB/T 2022-2023 Lead-zinc-cupronickel bars for watches
• 2007 QB/T 2022-2007 Lead-zinc-cupronickel bars for watches
• 1994 QB/T 2022-1994 Lead-zinc cupronickel rod for table