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Date: 2007-07-27 03:41:47Periodic table Chemical elements Noble metals Transition metals Palladium Platinum Asteroid mining Johnson Matthey Merensky Reef Matter Chemistry Precious metals | The Potential Impact of Extraterrestrial Resources on Long-Term Platinum SupplyAdd to Reading ListSource URL: www.digitalspace.comDownload Document from Source WebsiteFile Size: 72,77 KBShare Document on Facebook |