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Prosthesis of the hip
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Patent number 4,657,552
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Issue date Apr 14, 1987
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Emil Schenker AG
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Kurt Karpf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Pneumatic impact tool
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Patent number 4,651,833
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Issue date Mar 24, 1987
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Emil Schenker AG
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Kurt Karpf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Shutter for windows or the like
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Patent number 4,444,243
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Issue date Apr 24, 1984
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Emil Schenker AG
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Daniel Voney
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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