International classification of goods and services for the : under the Nice agreement of June 15, 1957, as revised at Stockholm on
World intellectual property organization
Bok 1981
Utgitt | Geneva : WIPO , 1981
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Omfang | XXII, 153 s.
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Utgave | 3rd. ed.
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Dewey | |
ISBN | 92-805-0045-7
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International classification of goods and services for the : under the Nice agreement of June 15, 1957, as revised at Stockholm on
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