Tender for Supply Of Hfc Refrigerant Gas R- 407c [having Chemical Name Difluoro Methane, Penta Fluoro Ethane, 1,1,1,2-tetra Fluoro Ethane And Chemical Formula Ch2f2/ch3chf2/ch3ch2f] Suitable For Rmpu In Lhb Type Ac Coaches (45 Kg Gas In Each Cylinder). in Bhubaneswar - Odisha

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