GB/T 4051-1997
Replaced
QB/T 1911-2019
Active
Industry standards-Light industry
QB/T 1911-2019 The clock is made of lead-antimony brass plate and band
QB/T 1911-2019 The clock is made of lead-antimony brass plate and band
Basic Information
Standard Code:
QB/T 1911-2019
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Clocks and watches
ICS Name:
Horology
Publish Date:
2019-11-11
Implement Date:
2020-04-01
Pages:
8 pages
Development Information
Replace the following standards
Related Standards
GB/T 4051-2013
Active
GB/T 4051-2013 Synthetic ruby
QB/T 1539-2023
Active
QB/T 1539-2023 QB/T 1539-2023 Brass sheet and strip for clocks and watches
QB/T 1542-2020
Active
QB/T 1542-2020 QB/T 1542-2020 Lead brass bars and wires for clocks and watches
QB/T 2315-1997
Active
QB/T 2315-1997 Watch case round glass size series
QB/T 2313-1997
Abolished