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IPC and NACE Classification of patents : a comparison between data on US and on French, German and UK patents / Hermann Kronz.
1980
15 OMPI
Disponible à WIPO Library
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Articles
Détails
Title
IPC and NACE Classification of patents : a comparison between data on US and on French, German and UK patents / Hermann Kronz.
Type d’élément
Journal article
Description
1 volume ([12] pages) ; [28] cm.
Alternate Call Number
15 OMPI
Série
World Patent Information ; 1980 Vol 2 No 3 pages 103-115.
Published
[Amsterdam, The Netherlands] : [Elsevier], 1980.
Langue
Anglais
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