Tender for Supply Of Refilling Of Ultra High Purity Hydrogen Gas In Rly, Cylinder Of Capacity 7 Cum With Pressure 14 0-150 Kg/cm Square, Iolar Hydrogen Gr.3 Purity Certificate Is Required At The Time Of Delivery As Per Is :10 90:2002 [ Warranty Period: 30 Months After The Date Of Delivery ] in Burdwan - West Bengal

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