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Frankfurt am Main : P. Lang, c1998.
German | K 64 SCH.A |
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2.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | M 3413(13:121) DE 28 |
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3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | M 341 DE 29 |
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4.
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[Place of publication not identified] : [publisher not identified], 1999.
English | 109 GB |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | 29 DE |
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