أ: 47.80
ب: 79.40
OD/ID xt: 63.50/60.20 × 1.65
OD1/ID1 × t1: 63.50/60.20 × 1.65
ب: 79.40
OD/ID xt: 63.50/60.20 × 1.65
OD1/ID1 × t1: 63.50/60.20 × 1.65