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ARRANGEMENT FOR CEMENTING INDIVIDUAL SECTIONS OF CASINGS AND TAIL PIECES
ARRANGEMENT FOR CEMENTING INDIVIDUAL SECTIONS OF CASINGS AND TAIL PIECES
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机译:固结套管和尾部的各个部分的布置
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摘要
device for цементирования sections of columns and хвостовиков casing containing the промывочными отверсти ми, посадочное saddle is fixed on the casing with the the срезных elementsthe locking element
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