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发明名称
Filtre à gaz
摘要
申请公布号
FR848148(A)
申请公布日期
1939.10.24
申请号
FRD848148
申请日期
1938.12.29
申请人
CHEMA
发明人
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
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