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发明名称
摘要
申请公布号
DE2050947(A1)
申请公布日期
1971.05.19
申请号
DE19702050947
申请日期
1970.10.16
申请人
发明人
分类号
C01G3/10;C22B3/06;(IPC1-7):01G1/10
主分类号
C01G3/10
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代理人
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