冲击钻用钢丝绳钻钢设备|沙特标准|SASO-ISO-10207
SASO-ISO-10207
Rock drilling equipment – Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm
凿岩设备-冲击钻用钢丝绳钻钢设备,公称尺寸22 mm至38 mm
冲击钻用钢丝绳钻钢设备|沙特标准|SASO-ISO-10207
SASO-ISO-10207
Rock drilling equipment – Rope threaded drill steel equipment for percussive drilling, nominal sizes 22 mm to 38 mm
凿岩设备-冲击钻用钢丝绳钻钢设备,公称尺寸22 mm至38 mm
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