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English | E 224:408(E) |
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Geneva : World Intellectual Property Organization, 1990. Fifth edition.
Multiple languages |
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Geneva : World Intellectual Property Organization, 1992.
English | 10.34667/tind.40325 |
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Geneva, Switzerland : World Intellectual Property Organization, 2001. Eighth edition.
Portuguese | E 232K141 WIPO.I(E) VOL. II(8) |
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