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发明名称
FILTER
摘要
申请公布号
GB1385222(A)
申请公布日期
1975.02.26
申请号
GB19720009227
申请日期
1972.02.29
申请人
SAMA D A
发明人
分类号
B01D24/04;(IPC1-7):B01D27/02;B01D39/04
主分类号
B01D24/04
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