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Drilling Handling Tools/ Well head tool Casing slip API Standard Casing slip 适用套管外径 Casing OD in 6.5/8 7 7.5/8 8.5/8 9.5/8 10.3/4 11.3/4 mm 168.3 177.8 193.7 219.1 244.5 273.1 298.5 最大载荷 (kN) Maximum ...