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Icebreaker
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Patent number 5,038,695
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Issue date Aug 13, 1991
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Gunter Varges
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ice breaker
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Patent number 4,942,837
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Issue date Jul 24, 1990
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Thyssen Nordseewerke GmbH
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Jens-Holger Hellmann
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ice breaker
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Patent number 4,800,831
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Issue date Jan 31, 1989
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Thyssen Nordseewerke GmbH
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Jens H. Hellmann
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Stern apron for ice breakers
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Patent number 4,732,101
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Issue date Mar 22, 1988
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Thyssen Nordseewerke GmbH
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Gunter Varges
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Ship
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Patent number 4,506,617
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Issue date Mar 26, 1985
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Thyssen Nordseewerke GmbH
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Heinrich Waas
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT