B350-RW-NW233G-Y1
WELD FIXED SCUTTLE WITH DEADLIGHT, WELDING MOUNT HEAVY TYPE A, STANDARD / DRAWING: GB/T 14413-93, OPENING SIZE: 400MM, WALL OPENING HOLE: 463MM, OPENING AND FASTENING OF DEAD LIGHT : PAW (J)
WELD FIXED SCUTTLE WITH DEADLIGHT, WELDING MOUNT HEAVY TYPE A, STANDARD / DRAWING: GB/T 14413-93, OPENING SIZE: 400MM, WALL OPENING HOLE: 463MM, OPENING AND FASTENING OF DEAD LIGHT : PAW (J)
WELD FIXED SCUTTLE WITH DEADLIGHT, WELDING MOUNT HEAVY TYPE A, STANDARD / DRAWING: GB/T 14413-93, OPENING SIZE: 400MM, WALL OPENING HOLE: 463MM, OPENING AND FASTENING OF DEAD LIGHT : PAW (J)