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100 1 _aNaetebusch, Roderich
700 1 _aSchoeppel, Hans-Rainer
700 1 _aFichtner, Harald
245 0 0 _aPatent Information in a large electrical company :
_bexemplified by the situation at Siemens
650 _aPatentdokumentation
_93575
773 0 _aWPI. 16(1994),4,198-206.
_wz_WPI
999 _c4627
_d4627