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100 | 1 | _aEvers, H. | |
245 | 0 | 0 | _aPatent Information Services of the Swiss Federal Intellectual Property Office (SIPO) |
650 |
_aPatentdokumentation _93575 |
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_aSchweiz _94091 |
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_aWPI. 8(1986),3,98-205. _wz_WPI |
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