37 CALFRAC WELL SERVICES注册申请/注册号:20579720
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01 CWS CALFRAC注册申请/注册号:15888252
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42 CALFRAC WELL SERVICES注册申请/注册号:15888243
35 CALFRAC注册申请/注册号:15894243
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04 CALFRAC WELL SERVICES注册申请/注册号:15888241
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42 CALFRAC注册申请/注册号:15888251
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