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Modular turret punch press
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Patent number 4,165,669
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Issue date Aug 28, 1979
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Strippit Division, Houdaille Industries, Inc.
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Paul R. Brown
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Punch and stripper assembly
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Patent number 4,031,787
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Issue date Jun 28, 1977
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Houdaille Industries, Inc.
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Percy Luther Cady
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Punching device with punch retainer
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Patent number 4,007,653
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Issue date Feb 15, 1977
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Houdaille Industries, Inc.
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Percy L. Cady
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Punch and stripping guide assembly
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Patent number 3,935,771
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Issue date Feb 3, 1976
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Houdaille Industries, Inc.
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Percy L. Cady
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...