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发明名称
摘要
申请公布号
FR2418199(B1)
申请公布日期
1982.10.01
申请号
FR19790004508
申请日期
1979.02.22
申请人
KYOWA CHEMICAL INDUSTRY CO LTD
发明人
分类号
C30B29/62;C01F5/00;C01F5/14;C01F5/22;C01F5/30;(IPC1-7):C01F5/22
主分类号
C30B29/62
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代理人
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地址
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