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类似的网站 Blackinventor.Com
The Black Inventor Online Museum - a Look at Black Inventors and their Contributions to Society
描述: Provides a biography with details of his numerous chemistry contributions.
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网站主题: chemistry
A free encyclopedia built collaboratively using wiki software. (Creative Commons Attribution-ShareAlike License).
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GCDHH provides valuable services to the deaf and hard of hearing communities of North Texas.
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For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews ...
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The nation turns to the National Academies -- National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council -- ...
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Contains rants against MTV and a list of bands you won't see on MTV. Also contains several references to French music sucking.
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Supplier of heating, ventilation and air conditioning products in Northeastern and Central Ohio.
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An organometallic chemist working in metalworking lubrication.
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3.0 / 5.0, 语: English