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torreyhillstech.com
网站标题: Torrey Hills Technologies: Tungsten, Molybdenum, Heat Sinks, Equipment
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www.matweb.com
网站标题:  Online Materials Information Resource - MatWeb
网站简介: Material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. Free search tools include mechanical property searches. Comparison and exp
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www.engineeringnews.co.za
网站标题: Engineering News | Real-Economy News | Industry News
网站简介: Engineering News Online provides real time news reportage through originated written, video and audio material. Each week, an *erage of 240899-page impressions are generated by over 64 719 online readers.
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matweb.com
网站标题:  Online Materials Information Resource - MatWeb
网站简介: Material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. Free search tools include mechanical property searches. Comparison and exp
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www.chinapmetals.org.cn
网站标题: 中国有色金属工业协会金银分会
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