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摘要
申请公布号
US2450208(A)
申请公布日期
1948.09.28
申请号
US19470749236
申请日期
1947.05.20
申请人
HAROLD SLATER THOMAS
发明人
SLATER THOMAS HAROLD
分类号
B01D35/02
主分类号
B01D35/02
代理机构
代理人
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