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发明名称
METHOD OF MANUFACTURE OF METALS,ESPECIALLY OF SILVER OF HIGH PURITYCHISTOTY
摘要
申请公布号
PL120892(B1)
申请公布日期
1982.03.31
申请号
PL19780210378
申请日期
1978.10.19
申请人
发明人
分类号
C22B;C22B9/04;C25C1/20;(IPC1-7):C22B9/04
主分类号
C22B
代理机构
代理人
主权项
地址
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