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Hybrid arched overfilled structure
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Patent number 7,114,305
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Issue date Oct 3, 2006
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BEBOtech Corporation
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Werner Heierli
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Top arch overfilled system
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Patent number 6,922,950
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Issue date Aug 2, 2005
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BEBOTech Corporation
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Werner Heierli
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Top arch overfilled system
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Patent number 6,719,492
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Issue date Apr 13, 2004
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BEBOTech Corporation
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Werner Heierli
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Hybrid arched overfilled structure
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Patent number 6,640,505
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Issue date Nov 4, 2003
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BEBOTech Corporation
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Werner Heierli
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING