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ID: | 140 | Title: | History of prescription scales - http://www.wikiscales.com | Description: | Useful for general chemical analysis, grain, seed work, etc. Used by U.S. Department of Agriculture, College and Industrial Laboratories. | Category: | Reference : Encyclopedias | Link Owner: | Piotr | Date Added: | October 27, 2011 04:41:50 PM | Number Hits: | 0 | |
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