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| 005 | 20190814161445.0 | ||
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| 008 | 190702s xxu||||| |||| 00| 0 d | ||
| 100 | 1 | _aWilson, R. M. | |
| 245 | 0 | 0 |
_aPatent analysing using online databases : _b1: technological trend analysis |
| 650 |
_aDatenbank _9977 |
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| 650 |
_aDatenbank _9977 |
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| 650 |
_aPatentwesen _93556 |
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| 773 | 0 |
_aWPI. 9(1987),1,18-20, _wz_WPI |
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| 999 |
_c12768 _d12768 |
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