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Leybold 学院专栏
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Wolfgang Gaede，现代真空技术的先驱
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涡轮分子泵和罗茨风机中的压缩
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Turbomolecular Pump by Christian Beyer and Gerhard Voss
Extract from the book "VakuumPumpen (Gastransfervakuumpumpen)" publishe 2008 by publishing house and picture library W.H. Faragallah, Im Haindell 47, 65843 Sulzbach (Taunus) - Germany
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About compression of classic turbomolecular pumps - by Gerhard Voss
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测漏介绍
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