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| Home > Authorities > Periodicals > Keyan-guanli |
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| Type: | journal |
| DDC: | 500 |
| ISSN(s): | 1000-2995 |
| Publisher: | : Beijing |
| Appears: | online, print |
| ID: | PERI:(DE-600)2465854-6 |
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Record created 2014-10-19, last modified 2015-08-31
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