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| 005 | 20190814161103.0 | ||
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| 008 | 190702s xxu||||| |||| 00| 0 d | ||
| 100 | 1 | _aBrotton, J. P. | |
| 245 | 0 | 0 | _aRecent developments in the British patent classification for improved dissemination of information on uses, applications and utilities of inventions |
| 650 |
_aPatentklassifikation _93471 |
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| 650 |
_aGroßbritannien _94750 |
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| 773 | 0 |
_aWPI. 5(1983),2,83-90. _wz_WPI |
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| 999 |
_c5811 _d5811 |
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