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English | 34 |
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[Place of publication not identified] : [publisher not identified], 1971.
German | 29 |
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 28 |
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Köln : C. Heymann, c1987.
German | G 941 LEW.D |
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5.
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Paris [France] : Institut National de la Propriété Industriell, 1996.
French | 31 |
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6.
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[Heidelberg, Germany] : [Springer], 1976.
English | 34 |
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7.
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Weinheim : Vch, c1994.
German | 346.4404802632|F 44 DRE.F |
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | 29 |
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9.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 29 |
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10.
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München : C.H. Beck, 1986.
German | 346.430486|G 110 BER.L (1986) |
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