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经营范围
发明名称
Mineral trap
摘要
申请公布号
US2125469(A)
申请公布日期
1938.08.02
申请号
US19350055851
申请日期
1935.12.23
申请人
ULRICH CHARLES B
发明人
ULRICH CHARLES B.
分类号
B03B5/64
主分类号
B03B5/64
代理机构
代理人
主权项
地址
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