1.
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2.
Die Schutzbedürfnisse der Züchter von Obst- und Zierpflanzen / Rene Royon.
Royon, Rene, author.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1987.
German | 29 DE |
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3.
Sortenbezeichnung und Warenzeichen / Rene Royon.
Royon, Rene, author.
[Place of publication not identified] : [publisher not identified], 1980.
German | 29 DE |
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4.
Variety denominations and trademarks / Rene Royon.
Royon, Rene, author.
[Geneva, Switzerland] : [The International Union for the Protection of New Varieties of Plants (UPOV)], 1984.
English | 1 UPOV |
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5.
Warenzeichen und Sortenbezeichnung für Zuchtpflanzen / Rene Royon.
Royon, Rene, author.
[Place of publication not identified] : [publisher not identified], 1977.
German | 29 DE |
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