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发明名称
VENTILANORDNUNG FUER AN RUECKSCHLAGWIRKUNGEN AUSGESETZTEN SAUGLEITUNGEN ANGESCHLOSSENE FILTER.
摘要
申请公布号
DE1660634(U)
申请公布日期
1953.08.06
申请号
DE195300D6063U
申请日期
1953.03.31
申请人
DELBAG-LUFTFILTER G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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