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www.astm.org Industry standards development organization
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www.iso.ch Global federation of organizations devoted to industrial standards
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www.copper.org Copper and brass industry information site
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www.cartech.com Manufacturer of glass-to-metal sealing alloys, stainless steel, and nickel alloys
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www.rfalloy.com Specialists in precision electronic copper alloys
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www.edfagan.com Distributor of electronic alloys
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