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Cyanide-free gold-tin alloy electroplating solution includes cyanide-free soluble monovalent gold salt, sulfite, organic polybasic acid, soluble divalent tin salt, pyrophosphate, and tin ion oxidation inhibitor. 专利
申请日期: 2012-01-01, 公开日期: 2012-08-22
作者:  HUANG M MA H PAN J ZHAO J ZHAO N
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