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发明名称
Dispositif d'interchangeabilité des éléments filtrants dans les filtres multiples
摘要
申请公布号
FR847464(A)
申请公布日期
1939.10.10
申请号
FRD847464
申请日期
1938.06.16
申请人
发明人
PASCAL LAPORTE JOSEPH, JACQUES,
分类号
B01D29/00;F27D3/12
主分类号
B01D29/00
代理机构
代理人
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