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摘要
申请公布号
US2161831(A)
申请公布日期
1939.06.13
申请号
US19370127338
申请日期
1937.02.24
申请人
AMERICAN RADIATOR & STANDARD SANITARY CORPORATION
发明人
MANNING FOWLER
分类号
B01D46/10
主分类号
B01D46/10
代理机构
代理人
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地址
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