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1.
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[Place of publication not identified] : [publisher not identified], 1992.
Spanish | 3C UNESCO |
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2.
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[Place of publication not identified] : [publisher not identified], 1992.
Spanish | N 63 FR 53 |
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3.
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[Place of publication not identified] : [publisher not identified], 1991.
Portuguese | P 1423 UNESCO 3C |
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4.
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[Place of publication not identified] : [publisher not identified], 1991.
French | P 1423 UNESCO 3C |
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5.
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[Place of publication not identified] : [publisher not identified], 1991.
Spanish | P 1423 UNESCO 3C |
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6.
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[Place of publication not identified] : [publisher not identified], 1992.
Spanish | 3C UNESCO |
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7.
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New York, New York : International Trademark Association, 1977.
English | M 341(413) US 64 |
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8.
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[Place of publication not identified] : [publisher not identified], 1991.
Spanish | 3C UNESCO |
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9.
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[Place of publication not identified] : [publisher not identified], 1991.
Spanish | 3C UNESCO |
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