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经营范围
发明名称
Gold washing apparatus
摘要
申请公布号
US2065321(A)
申请公布日期
1936.12.22
申请号
US19330673482
申请日期
1933.05.29
申请人
R. ROY MORDEN
发明人
MORDEN ROBERT BYRON
分类号
B03B5/56
主分类号
B03B5/56
代理机构
代理人
主权项
地址
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