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The top documents tagged [heavy wall drill pipe]
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heavy wall drill pipe
60.32*7.11*85.7mm E75 drill pipe made in china factory
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60.32*7.11*85.7mm G105 drill pipe made in china factory
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114.3*10.92*158.8mm S135 seamless steel oil and gas drillpipe
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LEC 3 OCT III Drill String - Drillstem.pdf
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