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Improvements in the press-estopas (Machine-translation by Google Translate, not legally binding)
Improvements in the press-estopas (Machine-translation by Google Translate, not legally binding)
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机译：改善新闻稿（谷歌翻译的机器翻译，没有法律约束力）
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摘要
Improvements in the press-tops characterized by the fact that the joint is formed by a ring that has a U-shaped section, which has a cylindrical surface in contact with the moving part and faces, or arms, raised sides obtaining its tightening by means of the pressure of a fluid on these three faces. (Machine-translation by Google Translate, not legally binding)
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