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Technological innovations, Patents, InventionsEdition | Availability |
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Changes in the quality of inventive output and patent based indices of technological change
1972, University of Warwick, Centre for Industrial Economic and Business Research
in English
0902610120 9780902610125
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Feedback?January 17, 2010 | Edited by WorkBot | add subjects and covers |
December 11, 2009 | Created by WorkBot | add works page |