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_aUse of descriptor search langage in automated patnt information system : _bexperimental study / _cVerf.: S. V. Popov ; R. P. Vcherashny ; D. G. Lakhouti ; … |
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_aComputersprache _9649 |
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_aPatentdokumentation _93575 |
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_ain. WPI. 9(1987),3,157-162. _wz_WPI |
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_c12354 _d12354 |
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