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发明名称
Production of filter units for a filter apparatus
摘要
申请公布号
US2639251(A)
申请公布日期
1953.05.19
申请号
US19500150927
申请日期
1950.03.21
申请人
KRACKLAUER ALOYSIUS C
发明人
KRACKLAUER ALOYSIUS C.
分类号
B01D29/11
主分类号
B01D29/11
代理机构
代理人
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