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Sealing arrangement
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Patent number 6,238,139
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Issue date May 29, 2001
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Phoenix Aktiengesellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING
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Shield tail sealing
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Patent number 5,346,331
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Issue date Sep 13, 1994
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Phoenix Aktiengesellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING
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-
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Sealing profile
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Patent number 4,946,309
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Issue date Aug 7, 1990
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Phoenix Aktiegesellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING
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Sealing profile
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Patent number 4,900,607
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Issue date Feb 13, 1990
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Phoenix Aktiengesellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING
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Sealing profile for tunnel segments
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Patent number 4,824,289
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Issue date Apr 25, 1989
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Phoenix Aktiengesellschaft
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Siegfried Glang
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Sealing profile
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Patent number 4,797,032
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Issue date Jan 10, 1989
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Phoenix Aktiengelsellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING
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Sealing profile
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Patent number 4,762,441
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Issue date Aug 9, 1988
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Phoenix Aktiengesellschaft
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Siegfried Glang
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E21 - EARTH DRILLING MINING