Patent activity and technical change in US industries
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| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Published: |
Amsterdam
Elsevier
2005
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| Series: | Contributions to economic analysis
272 |
| Subjects: | |
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| Physical Description: | xx,221p. ill. 24 cm |
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| ISBN: | 0444518584 |