corrigendum tender for metallic c rings 1 , metallic c rings 2 , metallic c rings 3 , metallic c rings 4 , metallic c rings 5 , metallic c rings 6 , metallic c rings 7 , metallic c rings 8 , metallic c rings 9 , metallic c rings 10 , metallic c rings 11 , metallic c rings 12 , metallic c rings 13 , metallic c rings 14 , metallic c rings 15 , metallic c rings 16 , metallic c rings 17 , metallic c rings 18 , metallic c rings 19 , metallic c rings 20 , metallic c rings 21 , metallic c rings 22 , metallic c rings 23 , metallic c rings 24 , metallic c rings 25 , metallic c rings 26 , metallic c rings 27 , metallic c rings 28 , metallic c rings 29 , metallic c rings 30 , metallic c rings 31 , metallic c rings 32 , metallic c rings 33 , metallic c rings 34 , developmental cost for metallic c rings, metallic c rings, 27.7(od)x22(id)x1.95 (gd), 32.13(od)x25(id)x1.95(gd), 40.36(id)x30(id)x1.95(gd), 60.6(od)x54.3(id)x2(gd), 71.8(id)x63.5(id)x2.6(gd), 78.45(id)x69.8(id)x2.6(gd), 84.5(id)x76.2(id)x2.6(gd), 98.46(od)x90.34(id)x2.6(gd), 105.46(od)x97.34(id)x2.6(gd), 138.3(od)x129.8(id)x2.6(gd), 160.5(od)x152.3(id)x2.67(gd), 175.46(od)x167.34(id)x2.6(gd), 179.45(od)x170.8(id)x2.6(gd), 186.46(od)x177.81(id)x2.6(gd), 194.46(od)x186.34(id)x2.6(gd), 198.46(od)x190.34(id)x2.6(gd), 228.57(od)x218(id)x3.2(gd), 255.57(od)x245.41(id)x3.2(gd), 281.45(od)x270.85(id)x3.2(gd), 314.57(od)x304(id)x3.2(gd), 316.57(od)x306(id)x3.2(gd), 337.57(od)x327(id)x3.2(gd), 438.57(od)x428.4(id)x3.2(gd), 460.57(od)x450.41(id)x3.2(gd), 108.46(od)x101.6(id)x2.6(gd), 125.46(od)x118.6(id)x2.6(gd), 172.46(od)x165.6(id)x2.6(gd), 200.46(od)x193.6(id)x2.6(gd), 151.46(od)x144.6(id)x2.6(gd), 172.46(od)x165.14(id)x2.6(gd), 239(od)x230(id)x3.2(gd), 290.57(od)x281.93(id)x3.2(gd), 296.57(od)x287.93(id)x3.2(gd), developmental cost for metallic c-rings