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发明名称
Perfectionnements relatifs aux filtres ou épaississeurs
摘要
申请公布号
FR753544(A)
申请公布日期
1933.10.18
申请号
FRD753544
申请日期
1933.03.31
申请人
BLOMFIELD ENGINEERING COMPANY LIMITED
发明人
分类号
B01D29/00;B01D37/00
主分类号
B01D29/00
代理机构
代理人
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