Patent Applications To The EPO By Priority Year, International Patent Classification (IPC) Sections, Classes And Other Typologies (1977-2012)
Eurostat code: urt_pat_epipc ยท (1977 - 2012)
@eurostat.urt_pat_epipc
Eurostat code: urt_pat_epipc ยท (1977 - 2012)
@eurostat.urt_pat_epipc
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