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100 1 _aCasalonga, Axel
245 0 0 _aThe Concept of inventive step in the European Patent Convention
650 _aEuropäische Patentorganisation
_91161
650 _aErfindung
_91088
773 0 _aIIC. 10(1979),4,412-432.
_wz_iic
999 _c6067
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