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Dry dock for building vessels
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Patent number 4,231,679
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Issue date Nov 4, 1980
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Jury P. Ivanov
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Building equipment for ships' hulls
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Patent number 3,951,088
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Issue date Apr 20, 1976
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Nippon Kokan Kabushiki Kaisha
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Akio Hikai
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3925999
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Patent number 3,925,999
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Issue date Dec 16, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3688719
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Patent number 3,688,719
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Issue date Sep 5, 1972
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3527058
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Patent number 3,527,058
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Issue date Sep 8, 1970
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3489118
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Patent number 3,489,118
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Issue date Jan 13, 1970
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3478525
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Patent number 3,478,525
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Issue date Nov 18, 1969
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3136132
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Patent number 3,136,132
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Issue date Jun 9, 1964
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2568751
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Patent number 2,568,751
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Issue date Sep 25, 1951
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2384616
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Patent number 2,384,616
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Issue date Sep 11, 1945
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B28 - WORKING CEMENT, CLAY, OR STONE
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2384464
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Patent number 2,384,464
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Issue date Sep 11, 1945
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2338110
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Patent number 2,338,110
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Issue date Jan 4, 1944
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2338111
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Patent number 2,338,111
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Issue date Jan 4, 1944
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING