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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
Available at WIPO Library
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Items
تفاصيل
Title
IPC and NACE Classification of patents : a comparison between data on US and on French, German and UK patents / Hermann Kronz.
نوع المادة
Journal article
الوصف
1 volume ([12] pages) ; [28] cm.
Alternate Call Number
15 OMPI
السلسلة
السلسلة
World Patent Information ; 1980 Vol 2 No 3 pages 103-115.
Published
[Amsterdam, The Netherlands] : [Elsevier], 1980.
اللغة(لغات)
eng
السجل يظهر فى