| 1 | NON-DESTRUCTIVE-BUILDING MATERIALS -REINFORCED CONCRETE STRUCTURES | NDT(Concrete) | Rebound Hammer | IS 13311 (Part-2): 1992 |
| 2 | NON-DESTRUCTIVE-BUILDING MATERIALS -REINFORCED CONCRETE STRUCTURES | NDT(Concrete) | Ultra Sonic Pulse Velocity | IS 13311 (Part-1): 1992 |
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