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Home › Dissolution of metals utilizing an aqueous H.sub.2 SO.sub.4 -H.sub.2 O.sub.2 -polysulfide etchant

Dissolution of metals utilizing an aqueous H.sub.2 SO.sub.4 -H.sub.2 O.sub.2 -polysulfide etchant

US Patent 4233112 · Granted Nov 11, 1980

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