improvement in suspense for minatoi to perfazione in particular for the fabericazione of seamless steel tubes

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• 2. 在喷射织机上特别是在喷气织机上生产织物时改善纬纱特别是由合成长丝制成的纬纱的引纬特性的方法以及实施上述方法的喷射织机 [P] . 中国专利： CN1714181A . 2005-12-28
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  机译： 高温无缝钢管生产芯棒的寿命提高方式

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  机译： 改进rolling面杖（特别是用于制造无缝钢管）

• 5. Improvements in or relating to the production of seamless steel tubes and apparatus therefor [P] . 英国专利： GB662746A . 1951-12-12

  机译： 无缝钢管及其设备的生产或与之相关的改进

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