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Home › Dissolution of metals utilizing an aqueous H.sub.2 SO.sub.Y --H.sub.2 O.sub. -mercapto containing heterocyclic nitrogen etchant

Dissolution of metals utilizing an aqueous H.sub.2 SO.sub.Y --H.sub.2 O.sub. -mercapto containing heterocyclic nitrogen etchant

US Patent 4236957 · Granted Dec 2, 1980

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