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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
method for removing phosphorus and calcium rich in rare earth from phosphorite containin… 🛈 | 5 | 2014 |
flotation machine impeller | 4 | 2009 |
method for separating tombarthite from phosphorus ore | 3 | 2011 |
air distributor for floatation machine | 3 | 2009 |
economical, clean, simple and convenient method for leaching cobalt from high-valence co… 🛈 | 2 | 2014 |
heat insulation tool for high-temperature sintering of intermediate-frequency furnace | 2 | 2015 |
organic lead inhibitor and application thereof | 2 | 2015 |
segmented mining method | 2 | 2012 |
mine microseism wave detector installed in deep hole | 2 | 2014 |
deep well unload mining method | 2 | 2015 |