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Rotary die-cutting apparatus
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Patent number 4,934,231
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Issue date Jun 19, 1990
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W. R. Chestnut Engineering, Inc.
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W. Richard Chesnut
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary die cutting device
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Patent number 4,205,596
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Issue date Jun 3, 1980
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W. R. Chestnut Engineering, Inc.
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W. Richard Chesnut
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Rotary die lock structure
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Patent number 4,187,752
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Issue date Feb 12, 1980
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W. R. Chesnut Engineering, Inc.
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W. Richard Chesnut
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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