22 Special type SPECIAL TYPE K2-6-10-1.6-1.6 (with flat plate protrusion) K3-5.1-7.2-1.6-1.2 KF2-5-6.5-1.4 (-1.2 × 1.6) KF2-4-9-1.4 (-0.6 × 1.2) AW3-10-3.4-1.6-1.2 AF3-7.5-1.6 (-0.8 × 1.5) 2-4-4-4-40-40-4-4-4-4-40-1.4-1.4-1.4-1.4-4-4-1.6 (-1.6 (-4-4
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