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Aerostatic bearing
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Patent number 4,735,862
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Issue date Apr 5, 1988
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Dr. Ing. Rudolf Hell GmbH
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Joachim Heinzl
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Magnetic driver ink jet
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Patent number 4,620,201
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Issue date Oct 28, 1986
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Siemens Aktiengesellschaft
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Joachim Heinzl
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Screen for a mosaic ink recorder
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Patent number 4,379,304
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Issue date Apr 5, 1983
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Siemens Aktiengesellschaft
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Joachim Heinzl
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Container of variable volume
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Patent number 4,270,589
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Issue date Jun 2, 1981
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Siemens Aktiengesellschaft
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Joachim Heinzl
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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