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| 100 | 1 | _aKazandjieva, Radoslavka | |
| 245 | 0 | 0 | _aAutomation of the Technological and Information Processes in the Bulgarian Patent Office |
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_aBulgarien _9532 |
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_aPatentamt _93359 |
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_aWPI. 15(1993),4,220-229. _wz_WPI |
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