1.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1984.
German | 28 DE |
|
2.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | G 41 DE 28 |
|
3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1984.
German | 28 DE |
|