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1Trafodyn Cynhadledd LlyfrCyhoeddwyd 1980“...American Society of Mechanical Engineers. Production Engineering Division...”
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2Trafodyn Cynhadledd LlyfrCyhoeddwyd 1994“...American Society of Mechanical Engineers. Production Engineering Division...”
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3LlyfrCyhoeddwyd 1986“...American Society of Mechanical Engineers. Production Engineering Division...”
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4LlyfrCyhoeddwyd 1989“...American Society of Mechanical Engineers. Production Engineering Division...”
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5LlyfrCyhoeddwyd 1985“...American Society of Mechanical Engineers. Production Engineering Division...”
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6LlyfrCyhoeddwyd 1990“...American Society of Mechanical Engineers. Production Engineering Division...”
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7LlyfrCyhoeddwyd 1992“...American Society of Mechanical Engineers. Production Engineering Division...”
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8LlyfrCyhoeddwyd 1990“...American Society of Mechanical Engineers. Production Engineering Division...”
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9LlyfrCyhoeddwyd 1989“...American Society of Mechanical Engineers. Production Engineering Division...”
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10LlyfrCyhoeddwyd 1992“...American Society of Mechanical Engineers. Production Engineering Division...”
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11LlyfrCyhoeddwyd 1989“...American Society of Mechanical Engineers. Production Engineering Division...”
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12LlyfrCyhoeddwyd 1980“...American Society of Mechanical Engineers. Production Engineering Division...”
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13LlyfrCyhoeddwyd 1988“...American Society of Mechanical Engineers. Production Engineering Division...”
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14LlyfrCyhoeddwyd 1988“...American Society of Mechanical Engineers. Production Engineering Division...”
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15LlyfrCyhoeddwyd 1983“...American Society of Mechanical Engineers. Production Engineering Division...”
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16LlyfrCyhoeddwyd 1985“...American Society of Mechanical Engineers. Production Engineering Division...”
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17LlyfrCyhoeddwyd 1986“...American Society of Mechanical Engineers. Production Engineering Division...”
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18LlyfrCyhoeddwyd 1987“...American Society of Mechanical Engineers. Production Engineering Division...”
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19LlyfrCyhoeddwyd 1988“...American Society of Mechanical Engineers. Production Engineering Division...”
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20LlyfrCyhoeddwyd 1988“...American Society of Mechanical Engineers. Production Engineering Division...”