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经营范围
发明名称
Dispositif obturateur pour bouches à feu et autres applications
摘要
申请公布号
FR839047(A)
申请公布日期
1939.03.22
申请号
FRD839047
申请日期
1937.12.01
申请人
发明人
HECTOR EYRAUD
分类号
F41A35/04
主分类号
F41A35/04
代理机构
代理人
主权项
地址
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