GB/T 34839-2017

Timekeeping instruments—Designs and dimensions of crowns and sealed tubes

STANDARD published on 1.11.2017

English, Chinese -
electronic design (pdf) (190.80 USD)

The information about the standard:

Designation standards: GB/T 34839-2017
Publication date standards: 1.11.2017
Country: Chinese technical standard
Category: Technical standards GB