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发明名称
élément de filtre en papier plissé
摘要
申请公布号
FR80356(E)
申请公布日期
1963.04.19
申请号
FR19610873931
申请日期
1961.09.22
申请人
SOCIETE FRANCAISE DE L'ACETYLENE
发明人
分类号
B01D33/23
主分类号
B01D33/23
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