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1. Books
Comparative study of features of delphion, QPAT, derwent innovation index (DII) and world intellectual property system (WIPS) of patent databases by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New Delhi: CSIR-NISCAIR / CSIR-NIScPR, 2007-09
Availability: Items available for loan: National Science Library (1).

2. Books
Comparative study of features of Delphion, QPAT, derwent innovation index (DII) and world intellectual property system (WIPS) of patent databases by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New Delhi: CSIR-NISCAIR / CSIR-NIScPR,
Availability: Items available for loan: National Science Library (1).

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