QB 1539-1992
H62, H68 ordinary brass plates and strips for watches and clocks (English Version)

Standard No.

QB 1539-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

轻工业部

Latest

QB 1539-1992

QB 1539-1992 history

• 1992 QB 1539-1992 H62, H68 ordinary brass plates and strips for watches and clocks