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经营范围
发明名称
PURIFYING CRUDE TICL4 VAPOR
摘要
申请公布号
US3533733(A)
申请公布日期
1970.10.13
申请号
USD3533733
申请日期
1968.05.09
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
HAROLD B. CLARK;KENNETH M. KOLB
分类号
C01G23/02;(IPC1-7):C01G23/02
主分类号
C01G23/02
代理机构
代理人
主权项
地址
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