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International classification of the figurative elements of marks : (Vienna classification).
- 341.7588 I612176 1997
- World Intellectual Property Organization,
- 1997.
- Geneva :
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Convention for the protection of producers of phonograms against unauthorized duplication of their phonograms of October 29, 1971.
- 346.0482 C7664c
- World Intellectual Property Organization,
- 1997.
- Geneva :
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Vienna Agreement Establishing an International Classification of the Figurative Elements of Marks : done at Vienna on June 12, 1973, as amended on October 1, 1985.
- 346.048 V662
- World Intellectual Property Organization,
- 1997.
- Geneva :