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100 1 _aAkers, Noel J.
245 0 0 _aThe referencing of prior art documents in European patents and applications
650 _aPatentwesen
_93556
650 _aEuropäisches Patent
_91202
650 _aEuropäische Patentanmeldung
_91158
650 _aVorrang
_93718
773 0 _aWPI. 22(2000),4,309-315
_wz_WPI
999 _c1615
_d1615