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Kinetically bonded tubes and tubesheet
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Patent number 4,527,623
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Issue date Jul 9, 1985
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Electric Power Research Institute, Inc.
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Richard H. Baird
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of explosively expanding tubes
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Patent number 3,939,681
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Issue date Feb 24, 1976
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Asahi Kasei Kogyo Kabushiki Kaisha
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Hirohiko Yoshitomi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3774291
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Patent number 3,774,291
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Issue date Nov 27, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3611767
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Patent number 3,611,767
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Issue date Oct 12, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3555656
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Patent number 3,555,656
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Issue date Jan 19, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3503110
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Patent number 3,503,110
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Issue date Mar 31, 1970
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3446047
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Patent number 3,446,047
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Issue date May 27, 1969
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3411198
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Patent number 3,411,198
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Issue date Nov 19, 1968
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...