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Method and appraratus for forming a helical tube bundle |
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Titanium heat exchange tubes |
Bonnie J. Campbell |
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| 4729155 |
Method of making heat transfer tube with improved outside surface for nucleate boiling |
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| 4692978 |
Method for making heat exchange tubes |
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Apparatus for making heat exchange tubes |
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Method of spot annealing tubing |
John M. Tatum |
1984-05-15 |
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Method of making double wall tubing assembly |
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Apparatus for spot annealing tubing |
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1984-01-31 |
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Double wall tubing assembly and method of making same |
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