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?2015年11月25日，發(fa)明專利(li)《一種長效鋅(xin)肥及其制(zhi)備方法》獲得授權，專利(li)號為ZL201310132744.4。?
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河北省秦(qin)皇島市經濟技術開發(fa)區秦(qin)皇西大街78-1號(hao)
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