![]() | AWWA C116/A21. 16-22 Protective Fusion-Bonded Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | AWWA C116/A21. 16-22 Protective Fusion-Bonded Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings |