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经营范围
发明名称
Gasfilter
摘要
申请公布号
DE838677(C)
申请公布日期
1952.05.12
申请号
DE1951S021455
申请日期
1951.01.03
申请人
SOCIETE ANONYME NOVACEL
发明人
分类号
B01D39/18
主分类号
B01D39/18
代理机构
代理人
主权项
地址
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