Derwent world patents index on STN International : WPIDS, WPINDEX database description /
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| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
London :
Derwent Publications,
1993.
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| Series: | Online user manual ;
3. |
| Subjects: |
| Physical Description: | iv, 213 p. : ill. ; 27 cm. |
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