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发表于 2011-2-12 16:43:05
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来自: 中国广东深圳
①一种是无氧电气铜Oxygen Free Electronic (OFE) Copper: CDA 101
4 k' i& G- M1 ` b$ ^3 P# {% B99.99% Cu, Other elements including Ag, As, Sb, P, Te <.01% Total* w, n. q* |: Y
②一种是Tellurium Copper: CDA 145
7 Y7 t* l1 G4 {6 y99.9% Cu (incl. Te), .004-.012% P, .4-.7% Te |
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