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100 1 _aEvers, H.
245 0 0 _aPatent Information Services of the Swiss Federal Intellectual Property Office (SIPO)
650 _aPatentdokumentation
_93575
650 _aSchweiz
_94091
773 0 _aWPI. 8(1986),3,98-205.
_wz_WPI
999 _c6732
_d6732