-
-
-
3006488
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Patent number 3,006,488
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Issue date Oct 31, 1961
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2679118
-
Patent number 2,679,118
-
Issue date May 25, 1954
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1597620
-
Patent number 1,597,620
-
Issue date Aug 24, 1926
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1366741
-
Patent number 1,366,741
-
Issue date Jan 25, 1921
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING