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Floatable pipe combination
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Patent number 11,378,217
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Issue date Jul 5, 2022
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agru Kunststofftechnik Gesellschaft m.b.H.
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Albert Lueghamer
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3757369
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Patent number 3,757,369
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Issue date Sep 11, 1973
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3600898
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Patent number 3,600,898
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Issue date Aug 24, 1971
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3311132
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Patent number 3,311,132
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Issue date Mar 28, 1967
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3286286
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Patent number 3,286,286
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Issue date Nov 22, 1966
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3204658
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Patent number 3,204,658
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Issue date Sep 7, 1965
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3010418
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Patent number 3,010,418
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Issue date Nov 28, 1961
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2117008
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Patent number 2,117,008
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Issue date May 10, 1938
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2052481
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Patent number 2,052,481
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Issue date Aug 25, 1936
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING