Grating Structure
Member Section Capbility & Dimension
Trench Cover
Drainage Pit Cover
U-Type Grating
한국토지공사 사양
한국도로공사 사양1
한국도로공사 사양2
DDP-Dae Keyung Dralnage Pit Cover
50-Height of Beraing Bar 50mm
300-Trench Pit Width 300mm
