Assignee

TOMEN CONSTRUCTION KK

JP·1 granted patent·18 citations·filing 1992–1992

Technology mixB01D1 C02F1

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0148US5281318AProcess for processing a waste etching solution containing a fluorine component and an ammonia component to recover valuables therefromTOMEN CONSTRUCTION KK·Filed 1992·Granted Jan 25, 1994·18 cites·6 claims

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