-
API 5B Gauging and Inspection of Casingbing, and Line Pipe Threads -
API SPEC 5CT-2011
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A6
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A252
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API 5CT 8th Edition
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API 5L 45
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API 5L-2007 (Chinese Version)
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API_5CT Specification for Casing and Tubing
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API_SPEC_5L_Ed-44-2007