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发明名称
Filtre à gaz perfectionné
摘要
申请公布号
FR1028778(A)
申请公布日期
1953.05.27
申请号
FRD1028778
申请日期
1950.07.10
申请人
发明人
PELET JEAN-FRANCOIS-RAYMON
分类号
B01D45/02
主分类号
B01D45/02
代理机构
代理人
主权项
地址
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