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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 [1]
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Patent [1]
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1996 [1]
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中文 [1]
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黄金(K金)密度测量仪
专利
专利号: ZL96119033.7, 申请日期: 1996-03-01, 公开日期: 1997-09-03
Authors:
刘永康
;
杨振国
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Submit date：2018/12/29
