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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
$ E: r R7 l+ K" e" d" O99.99% Cu, Other elements including Ag, As, Sb, P, Te <.01% Total* c$ F" F F$ ?) t' k& E- b! q
②一种是Tellurium Copper: CDA 145
?0 [9 Q* _( h99.9% Cu (incl. Te), .004-.012% P, .4-.7% Te |
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