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Leg clamping device for jack up platform
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Patent number 4,431,343
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Issue date Feb 14, 1984
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Hitachi Shipbuilding & Engineering Limited
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Tomoyoshi Uchiyama
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Working platform
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Patent number 4,270,877
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Issue date Jun 2, 1981
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Steven Baggeren V.V.
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Adrianus J. Post
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3881687
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Patent number 3,881,687
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Issue date May 6, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3332663
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Patent number 3,332,663
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Issue date Jul 25, 1967
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3273859
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Patent number 3,273,859
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Issue date Sep 20, 1966
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3259368
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Patent number 3,259,368
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Issue date Jul 5, 1966
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3028143
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Patent number 3,028,143
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Issue date Apr 3, 1962
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3028144
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Patent number 3,028,144
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Issue date Apr 3, 1962
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2930200
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Patent number 2,930,200
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Issue date Mar 29, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2673064
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Patent number 2,673,064
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Issue date Mar 23, 1954
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2540679
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Patent number 2,540,679
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Issue date Feb 6, 1951
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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103899
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Patent number 103,899
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Issue date Jun 7, 1870
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING