Gem bids for Procurement Of Mechanical Seal Spares For Bpcl Bina Refinery, 17 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 1.1.4 Seat Dg No 09 H75k Slash 58 Fta1 R1 Pn 1.2 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 1.3 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 2.1.4 Seat Dg No 09 H75k Slash 58 Fta1 R1 Pn 2.2 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 2.3 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 4 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 6 O Ring Dg No 09 H75k Slash 58 Fta1 R1 Pn 10