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发明名称
Perfectionnements aux cartouches scellées pour la purification de l'air
摘要
申请公布号
FR1072567(A)
申请公布日期
1954.09.14
申请号
FRD1072567
申请日期
1952.12.23
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
分类号
A62B19/00
主分类号
A62B19/00
代理机构
代理人
主权项
地址
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