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Prosthesis shaft
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Patent number 4,978,359
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Issue date Dec 18, 1990
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Thera Patent GmbH & Co. KG Gesellschaft fur industrielle Schutzrechte
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Klaus Wilhelm
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Nonadhesive impression material
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Patent number 4,493,911
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Issue date Jan 15, 1985
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Espe Fabrik pharmazeutischer Praparate, GmbH
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Werner Schmitt
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Polymerization process for aziridine compounds
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Patent number 4,167,618
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Issue date Sep 11, 1979
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ESPE Fabrik Pharmazeutischer Praparate GmbH
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Werner Schmitt
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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