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经营范围
发明名称
Dispositif de protection des locaux contre les gaz
摘要
申请公布号
FR834324(A)
申请公布日期
1938.11.17
申请号
FRD834324
申请日期
1937.07.19
申请人
发明人
GAE:TAN VIAUD
分类号
E06B7/22
主分类号
E06B7/22
代理机构
代理人
主权项
地址
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