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经营范围
发明名称
CATION EXCHANGE PROCESS
摘要
申请公布号
US3428568(A)
申请公布日期
1969.02.18
申请号
USD3428568
申请日期
1963.12.18
申请人
JOHNS MANVILLE CORP.
发明人
ROBERT I. HARKER;JOSEPH P. PELLICANE JR.
分类号
G21F9/12
主分类号
G21F9/12
代理机构
代理人
主权项
地址
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