31 | Add to Reading ListSource URL: vpp-patent.deLanguage: German - Date: 2014-02-07 08:43:19
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32 | Add to Reading ListSource URL: www.pwrc.usgs.govLanguage: English - Date: 1999-06-15 08:15:06
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33 | Add to Reading ListSource URL: www.pwrc.usgs.govLanguage: English - Date: 1999-06-22 15:42:28
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34 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2012-11-21 04:08:28
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35 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2011-02-09 04:19:24
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36 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2009-01-26 04:35:53
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37 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2014-02-07 08:43:19
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38 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2011-12-19 09:26:40
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39 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2009-11-17 05:06:59
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40 | Add to Reading ListSource URL: www.vpp-patent.deLanguage: German - Date: 2007-09-28 06:51:37
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