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经营范围
发明名称
Dispositif filtrant pour masques à gaz
摘要
申请公布号
FR853630(A)
申请公布日期
1940.03.23
申请号
FRD853630
申请日期
1939.04.29
申请人
发明人
CASTAN
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
主权项
地址
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