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RO128760A2
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Process for electrodeposition of composite zn-fe-tiocoatings
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RO128761A2
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Process for electrodeposition of composite zn-ni-tiocoatings
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RO120079B1
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Process for recovering gold, silver and copper from slags
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RO120021B1
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Conveyable urban pulling dependent station
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RO114644B1
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Chrome-plating addition
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RO114646B1
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Process for electrodeposition of zinc-nickel-phosphorus alloys
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RO120048B1
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Process for the purification of siliceous sand by flotation with sulphate-alkylcarboxylic reagents
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RO115715B1
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Process for recovering the uranium contained in pulps resulted from carbonate leaching of rich uranium ores
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RO116616B1
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Process for physical-chemical purification of effluents discharged on petroleum processing
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RO116968B1
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Process for dehydration of mechanical sludge resulting from the treatment of effluents in refineries
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RO113062B1
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Low-pollution solution for black passivation of electrochemical zinc and zinc alloy deposits
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RO113060B1
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Low-pollution solution for yellow-iridiscent passivation of electrochemical zinc and zinc alloy deposits
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RO113061B1
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Solution free of silver salts used for black passivation of electrochemical zinc and zinc alloy deposits
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RO113063B1
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Low-pollution solution for colourless-bluish passivation of electrochemical zinc and zinc alloy deposits
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RO117648B1
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Machine for measuring in small size three-dimensional coordinates
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RO112382B1
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Pump with axial little pistons
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RO113407B1
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Complex button
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RO111832B1
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Generating device for some closed non-circular curved surfaces
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RO116272B1
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Quick clarification process for waste water from carbon preparations
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RO113637B1
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Process for full treatment of desuinting discharge jets
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