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FI Classifications are available from codes and technical terms.
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Expanded Classifications are available from codes and technical terms. |
IPC Facet Classifications are available from codes and technical terms. |
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FI Facet Classifications are available.
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Fixed Keywords are available from codes and technical terms. |
IPC (3rd to 7th editions) is available from codes and technical terms. |
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F-terms are available from codes and technical terms.
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Legal Status Code are available from codes and technical terms. |
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