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发明名称
élément filtrant
摘要
申请公布号
FR969993(A)
申请公布日期
1950.12.28
申请号
FRD969993
申请日期
1948.08.02
申请人
FRAM CORPORATION
发明人
分类号
B01D29/075
主分类号
B01D29/075
代理机构
代理人
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