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经营范围
发明名称
Cartouche polyvalente pour protection contre les gaz
摘要
申请公布号
FR832952(A)
申请公布日期
1938.10.07
申请号
FRD832952
申请日期
1937.05.31
申请人
发明人
ERNEST LE GALL CAMILLE,
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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