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100 1 _aRamachandran, R.
245 0 0 _aA quantitative analysis of the patent information services with reference to subject applicant/inventor name search at the Patent Information System {PIS}, Nagpur, India
650 _aIndien
_91967
650 _aPatentdokumentation
_93575
773 0 _aWPI. 12(1990),1,37-44.
_wz_WPI
999 _c10639
_d10639