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Print hammer bank in modular design
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Patent number 4,651,640
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Issue date Mar 24, 1987
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International Business Machines Corporation
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Armin Bohg
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electromagnetic ram actuator
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Patent number 4,527,139
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Issue date Jul 2, 1985
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International Business Machines Corporation
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Armin Bohg
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electromagnetic ram actuator
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Patent number 4,412,197
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Issue date Oct 25, 1983
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International Business Machines Corporation
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Armin Bohg
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Record storage apparatus
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Patent number 4,262,316
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Issue date Apr 14, 1981
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IBM Corporation
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Kurt Hartmann
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G11 - INFORMATION STORAGE
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Electrode guide
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Patent number 4,243,332
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Issue date Jan 6, 1981
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International Business Machines Corporation
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Kurt Hartmann
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS