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经营范围
发明名称
Production of purified lead and antimony oxide
摘要
申请公布号
GB2066798(A)
申请公布日期
1981.07.15
申请号
GB19800000049
申请日期
1980.01.02
申请人
NL INDUSTRIES INC
发明人
分类号
C01G30/00;C22B13/06;(IPC1-7):C01G30/00
主分类号
C01G30/00
代理机构
代理人
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