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1.
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Köln : Heymann, 1975.
German | G 180 DEU 1975 |
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2.
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[Place of publication not identified] : [publisher not identified], 1968.
German | G 870 HAE.D |
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3.
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[Heidelberg, Germany] : [Springer], 1970.
English | DE 34 |
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4.
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[Heidelberg, Germany] : [Springer], 1990.
English | 34 DE |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1981.
German | 29 DE |
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6.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1978.
German | 29 DE |
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7.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1986.
German | 29 DE |
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8.
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Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1971.
French | 10B OMPI |
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9.
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Courbevoie [France] : Institut National de la Propriété Industrielle, 1971.
French | 10A OMPI |
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10.
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[Heidelberg, Germany] : [Springer], 1978.
English | 34 DE |
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