Chopra, S. T. (2009). Patent agent examination. LexisNexis Butterworths.
Chicago Edition CitationChopra, Sheetal Taneja. Patent Agent Examination. Nagpur: LexisNexis Butterworths, 2009.
Deismireacht MLAChopra, Sheetal Taneja. Patent Agent Examination. LexisNexis Butterworths, 2009.
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