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摘要
申请公布号
US2765083(A)
申请公布日期
1956.10.02
申请号
US19540425352
申请日期
1954.04.26
申请人
PURMORT LOUIS E
发明人
PURMORT LOUIS E.
分类号
B01D29/00;B01D35/00;B01D37/00
主分类号
B01D29/00
代理机构
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