配方类型：	METALS
配方说明：	Tin Plating Leveler
配方组成：	"Miranol" C2M Anhydrous Acid/0.8-1.2 g/l Stannous Sulfate (as tin)/20.0-40.0 g/l Brightener and Antioxidant/q.s. Nonionic Surfactant/4.0-7.0 g/l Sulfuric Acid/40.0-70.0 g/l

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