GB/T 17923-1999
Replaced
DB4401/T 232-2023
Active
Guangdong ProvinceLocal standards
DB4401/T 232-2023 Urban Drainage Pipe Design and Construction Technology Guidelines
DB4401/T 232-2023 Urban Drainage Pipe Design and Construction Technology Guidelines
Basic Information
Standard Code:
DB4401/T 232-2023
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Technical management
ICS Name:
Liquid waste, sludge
Publish Date:
2023-10-13
Implement Date:
2023-11-13
Pages:
88 pages
Development Information
Related Standards
GB 18420.1-2001
Replaced
GB 18420.1-2001 Biological toxicity grading for pollutant from marine petroleum exploration and exploitation
GB/T 18420.2-2001
Replaced
GB/T 18420.2-2001 Biological toxicity inspection method for pollutant from marine petroleum exploration and exploitation
GB 18420.1-2009
Active
GB 18420.1-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation—Part 1:Grading
GB/T 18420.2-2009
Active
GB/T 18420.2-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation—Part 2:Test method
YS/T 119.12-2010
Active