QB/T 5385-2019
Clock with balance spring oscillating system (English Version)

Standard No.

QB/T 5385-2019

Language

Chinese, Available in English version

Release Date

2019

Published By

工业和信息化部

Latest

QB/T 5385-2019

QB/T 5385-2019 history

• 2019 QB/T 5385-2019 Clock with balance spring oscillating system