GB/T 3873-1983
Active
YD/T 5131-2019
Active
Industry standards-Postal and telecommunications
YD/T 5131-2019 Mobile communication engineering steel tower and mast structure design specification
YD/T 5131-2019 Mobile communication engineering steel tower and mast structure design specification
Basic Information
Standard Code:
YD/T 5131-2019
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Communications Engineering
ICS Name:
Telecommunications Integration
Publish Date:
2019-11-11
Implement Date:
2020-01-01
Pages:
123 pages
Scope
This standard is applicable to computer rooms, switch rooms, data rooms, transmission rooms, power rooms, and other precision air-conditioning systems used in telecommunications, as well as electrically driven vapor compression refrigeration cycles with a cooling capacity of more than 50kW in cooling water units.
Development Information
Replace the following standards
Related Standards
GB/T 4364-1984
Abolished
GB/T 4364-1984 Signs of operating directions of manual control mechanism of telecommunication equipments
GB/T 7400.10-1987
Replaced
GB/T 7400.10-1987 Broadcasting and television terminology Television broadcasting Equipment
GB/T 7400.1-1987
Replaced
GB/T 7400.1-1987 Broadcasting and television terminology General terms
GB/T 7400.12-1987
Replaced
GB/T 7400.12-1987 Broadcasting and television terminology Television broadcasting Test equipment and test techniques
GB/T 7400.2-1987
Replaced