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经营范围
发明名称
élément filtrant et son procédé de fabrication
摘要
申请公布号
FR1422240(A)
申请公布日期
1965.12.24
申请号
FR19640994351
申请日期
1964.11.09
申请人
发明人
LAUTRETTE JEAN, ANDRE
分类号
B01D39/16
主分类号
B01D39/16
代理机构
代理人
主权项
地址
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