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1Trafodyn CynhadleddCyhoeddwyd 1988“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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2Trafodyn Cynhadledd LlyfrCyhoeddwyd 1987“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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3Trafodyn Cynhadledd LlyfrCyhoeddwyd 1992“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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4Trafodyn Cynhadledd LlyfrCyhoeddwyd 1990“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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5Trafodyn Cynhadledd LlyfrCyhoeddwyd 1993“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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6Trafodyn Cynhadledd LlyfrCyhoeddwyd 1987“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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7Trafodyn Cynhadledd LlyfrCyhoeddwyd 1991“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”
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8Trafodyn CynhadleddCyhoeddwyd 1987“...American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division...”