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100 | 1 | _aKrejci, J. | |
700 | 1 | _aKendereski, D. | |
245 | 0 | 0 | _aA prognosis of patent activity development |
650 |
_aPatentwesen _93556 |
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650 |
_aEntwicklung _91030 |
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773 | 0 |
_aWPI. 8(1986),2,122-142. _wz_WPI |
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