GB/T 3990-1983
abolished_transferred
DB21/T 4320-2025
Active
Liaoning ProvinceLocal standards
DB21/T 4320-2025 "Guidelines for harmless treatment of steel slag"
DB21/T 4320-2025 "Guidelines for harmless treatment of steel slag"
Basic Information
Standard Code:
DB21/T 4320-2025
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other steel products
ICS Name:
Other steel products
Publish Date:
2025-11-30
Implement Date:
2025-12-30
Publisher:
辽宁省市场监督管理局
Technical Committee:
辽宁省自然资源厅
Development Information
Related Standards
GB/T 3991-1983
abolished_transferred
GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders
GB/T 3992-1983
abolished_transferred
GB/T 3992-1983 Nickel-coated chromium composite powders
GB/T 3993-1983
abolished_transferred
GB/T 3993-1983 Nickel-coated copper composite powders
GB/T 11072-1989
Replaced
GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices
GB/T 2073-1993
abolished_transferred