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Last edited by WorkBot
January 18, 2010 | History

European convention on the international classification of patents for invention, Paris, December 19, 1954 1 editions

European convention on the international classification of patents for ...
Council of Europe
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1 edition First published in 1955

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Cover of: European convention on the international classification of patents for invention, Paris, December 19, 1954.

History

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January 18, 2010 Edited by WorkBot add subjects and covers
December 11, 2009 Created by WorkBot add works page