Analysis and prevention of crack in 40Cr drill pipe jointsJ. MW Metal Forming, 2009, (7): 54-54.
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Citation:
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Analysis and prevention of crack in 40Cr drill pipe jointsJ. MW Metal Forming, 2009, (7): 54-54.
|
Analysis and prevention of crack in 40Cr drill pipe jointsJ. MW Metal Forming, 2009, (7): 54-54.
|
Citation:
|
Analysis and prevention of crack in 40Cr drill pipe jointsJ. MW Metal Forming, 2009, (7): 54-54.
|