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中国科学院广州地球化学研究所机构知识库
Knowledge Management System Of Guangzhou Institute of Geochemistry，CAS
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Patent [2]
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2002 [1]
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一种离心珠帘选矿机
专利
专利号: ZL02250357.9, 申请日期: 2002-12-17, 公开日期: 2003-12-17
Authors:
周正
;
邹在兰
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View/Download：58/0
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Submit date：2018/12/29
电动螺旋选矿机
专利
专利号: ZL00239982.2, 申请日期: 2000-11-03, 公开日期: 2001-10-17
Authors:
周正
;
邹在兰
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View/Download：71/0
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Submit date：2018/12/29
