Passing the European Patent Office: evidence from the data-processing industry

Research Policy - Tập 27 - Trang 937-946 - 1998
Theon van Dijk1, Geert Duysters2
1National Economic Research Associates (NERA), 15 Stratford Place, London W1N 9AF, UK
2MERIT, Maastricht University, Maastricht, Netherlands

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