Jin Rusong. Approach invention development——commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers[J]. STEEL PIPE, 2004, 33(6): 51-53.
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Citation:
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Jin Rusong. Approach invention development——commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers[J]. STEEL PIPE, 2004, 33(6): 51-53.
|
Jin Rusong. Approach invention development——commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers[J]. STEEL PIPE, 2004, 33(6): 51-53.
|
Citation:
|
Jin Rusong. Approach invention development——commemorating the 120th anniversary of the invention of the rotary piercing process by Mannessmann brothers[J]. STEEL PIPE, 2004, 33(6): 51-53.
|
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