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Crane vessel
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Patent number 8,701,904
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Issue date Apr 22, 2014
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Itrec B.V.
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Joop Roodenburg
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B66 - HOISTING LIFTING HAULING
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Stabilized shipboard crane
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Patent number 4,932,541
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Issue date Jun 12, 1990
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Calspan Corporation
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Charles A. Belsterling
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B66 - HOISTING LIFTING HAULING
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Ship's derrick
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Patent number 4,506,791
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Issue date Mar 26, 1985
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Blohm & Voss AG
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Michael Brosigke
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B66 - HOISTING LIFTING HAULING
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Horizontal slewing crane
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Patent number 4,303,166
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Issue date Dec 1, 1981
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Algoship International Limited
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George T. R. Campbell
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B66 - HOISTING LIFTING HAULING
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Device for lifting crane boom
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Patent number 4,212,404
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Issue date Jul 15, 1980
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Algoship International Limited
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George T. R. Campbell
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B66 - HOISTING LIFTING HAULING
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3845865
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Patent number 3,845,865
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Issue date Nov 5, 1974
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B66 - HOISTING LIFTING HAULING
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3729100
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Patent number 3,729,100
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Issue date Apr 24, 1973
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B66 - HOISTING LIFTING HAULING
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3709375
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Patent number 3,709,375
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Issue date Jan 9, 1973
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B66 - HOISTING LIFTING HAULING
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3685669
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Patent number 3,685,669
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Issue date Aug 22, 1972
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B66 - HOISTING LIFTING HAULING
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3658187
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Patent number 3,658,187
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Issue date Apr 25, 1972
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B66 - HOISTING LIFTING HAULING
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3620427
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Patent number 3,620,427
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Issue date Nov 16, 1971
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B66 - HOISTING LIFTING HAULING
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3610432
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Patent number 3,610,432
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Issue date Oct 5, 1971
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B66 - HOISTING LIFTING HAULING
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3567040
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Patent number 3,567,040
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Issue date Mar 2, 1971
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B66 - HOISTING LIFTING HAULING
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3557968
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Patent number 3,557,968
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Issue date Jan 26, 1971
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B66 - HOISTING LIFTING HAULING