Patent Applications To The EPO By Priority Year By International Patent Classification (IPC) Sections And Classes (1977-2012)
Eurostat code: pat_ep_nipc ยท (1977 - 2013)
@eurostat.pat_ep_nipc
Eurostat code: pat_ep_nipc ยท (1977 - 2013)
@eurostat.pat_ep_nipc
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