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经营范围
发明名称
Perfectionnements aux filtres industriels
摘要
申请公布号
FR1169157(A)
申请公布日期
1958.12.23
申请号
FRD1169157
申请日期
1957.03.07
申请人
发明人
COURTINAT ANDRE
分类号
B01D33/00
主分类号
B01D33/00
代理机构
代理人
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