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Comparative study of features of Delphion, QPAT, derwent innovation index (DII) and world intellectual property system (WIPS) of patent databases

By: Material type: TextTextPublication details: New Delhi: CSIR-NISCAIR / CSIR-NIScPR,
Item type: Books
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Item type Current library Call number Materials specified Status Date due Barcode
Books Books National Science Library Available 251193

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