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2014-9-9    YD55Mo（Q）      Mining equipment, agricultural machinery, crushing roller,wearing parts of coal crusher. Detailed 2014-9-9    YD55MoNb（Q）     Mining equipment, induced draft fan blades, wearing parts of anti-corrosion mechanery Detailed 2014-9-9    YD56（Q）     Wear plate Detailed 2014-9-9    YD58（Q）     Mining equipment, wearing parts of agricultural machinery Detailed 2014-9-10    YD59(Q)     Orbital discharge hopper and wear-resisting layer Detailed First [15] [16] [17] 18 [19] Last