1.
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Brussels : Office For Official Publications Of Ec, 1973. Fourth edition.
English | A 41C415(113:111) COM.E |
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2.
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Köln : C. Heymann, c1989.
German | G 941 SIN.E |
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3.
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Bruxelles [Belgium] : Commission Des Communautes Europeennes, 1986.
English | N 751 CCE.F(I/E) |
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4.
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Luxembourg : Office des publications officielles des communautés européennes, 1983.
Danish | A 42C410(113:121:111) CE.G |
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5.
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Luxembourg : Office des publications officielles des Communautés européennes, 1987, ©1986. Third rev.&corr.
French | A 41C410(111:113) CEC.E(3) |
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6.
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Luxembourg : Office for Official Publications of the Europeaqn Communities, 1988.
English | N 331 CEC.G |
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7.
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Luxembourg : Office for Official Publications of the European Communities, 1989.
English | G 252 IMP |
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8.
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Geneva: Organisation Mondiale de la Propriété Intellectuelle, 1981.
French | E 2314G22 OMPI.U |
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9.
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München : Beck, c1993.
German | G 62 PFA.I |
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10.
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Bruxelles [Belgium] : Commission Des Communautes Europeennes, 1988.
French | N 331 CCE.L |
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