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1.
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London, England : Sweet & Maxwell, 1986.
English | 10 GB |
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2.
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[Amsterdam, The Netherlands] : [Elsevier], 1984.
English | 15 OMPI |
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3.
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Ginebra [Colombia] : Organización Mundial de la Propiedad Intelectual, 1981-
Spanish | E 231 OMPI.IAUP (S) |
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4.
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East Kilbride [Scotland] : Licensing Executives Society International, 1976.
English | 48 US |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
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