GB/T 23458-2009
Active
DB63/T 1922-2021
Active
Qinghai ProvinceLocal standards
DB63/T 1922-2021 Guidelines for Investigation of Natural Construction Materials for Road Engineering DB63/T 1922-2021
DB63/T 1922-2021 Guidelines for Investigation of Natural Construction Materials for Road Engineering DB63/T 1922-2021
Basic Information
Standard Code:
DB63/T 1922-2021
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Road construction materials
ICS Name:
Road construction materials
Publish Date:
2021-05-20
Implement Date:
2021-06-01
Pages:
38 pages
Development Information
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