API 6A Oilfield Wellhead Bagian A Casing Head Housing 13 3/8 "SOW Kepala casing sumur minyak dirancang dan diproduksisecara ketat sesuai dengan API 6A, standar NACE MR-0175, casing kepala casing ...View More
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PLS 3 3000psi Oilfield Section A Wellhead Casing Head