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经营范围
发明名称
Perfectionnements aux filtres
摘要
申请公布号
FR884444(A)
申请公布日期
1943.08.12
申请号
FRD884444
申请日期
1942.07.24
申请人
发明人
ARRACHART CLAUDE;GORIOT EMMANUEL
分类号
B01D46/00;B01D46/06;B01D46/24
主分类号
B01D46/00
代理机构
代理人
主权项
地址
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