Gem Bids For Inlet Expansion Joint Metallic, For 1755 Mm Dia. Si.Bab-65/2 Booster Fan, Drg. No. : Sketch No. 25025, Outlet Expansion Joint Metallic, For 1755 Mm Dia.Si. Bab-65/2 Booster Fan, Drg. No. : Sketch No. 2502