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1.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
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2.
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München : C.H. Beck, 2003. Second edition.
German | K 11 ING.M |
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3.
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London, England : Sweet & Maxwell, 1990.
English | 10 GB |
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4.
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[Heidelberg, Germany] : [Springer], 1991.
Danish | 34 DE |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
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