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经营范围
发明名称
Method of cleansing metal
摘要
申请公布号
US2697673(A)
申请公布日期
1954.12.21
申请号
US19510216125
申请日期
1951.03.17
申请人
CYRUS WM. RICE & COMPANY, INC.
发明人
RICE JAMES K.
分类号
C23G1/02;C25F1/02
主分类号
C23G1/02
代理机构
代理人
主权项
地址
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