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发明名称
Perfectionnements aux filtres échangeurs et à leurs procédés d'utilisation
摘要
申请公布号
FR833369(A)
申请公布日期
1938.10.20
申请号
FRD833369
申请日期
1938.02.08
申请人
ETABLISSEMENTS PHILLIPS & PAIN
发明人
分类号
B01J49/00
主分类号
B01J49/00
代理机构
代理人
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