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FI851409A0
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HUV Foer HOPSAMLING AV HETA gaser FRAON EN KONVERTER.
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US4534571A
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Circumferential sealing assembly
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US4487399A
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Converter for refining liquid metal
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ZM9581A1
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Converter for refining liquid metal
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NZ208509A
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Seal for hood for collecting hot gases from molten metal convertor vessel
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US4396181A
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Converter for refining liquid metal
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US4295001A
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Electrode seal
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US4285504A
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Tuyere sealing means and silencer
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YU135577A
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Process for treating copper ores to extract copper
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CA1093837A
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Dump leaching
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US4076605A
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Dichromate leach of copper anode slimes
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US4091070A
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Recovery of copper
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US4032330A
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Process for recovery of copper
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US4028235A
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Froth flotation with sewage treatment plant water effluent
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US4104157A
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Flotation of sulfide minerals
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US4011072A
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Flotation of oxidized copper ores
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US3923617A
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Electrolytic recovery of zinc
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US3730860A
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Electrolytic recovery of copper from oxidizable cupriferous material
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US3718176A
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Spreader wheel
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US3634068A
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Protection of converters
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