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经营范围
发明名称
Avertisseur sonore
摘要
申请公布号
FR774990(A)
申请公布日期
1934.12.17
申请号
FRD774990
申请日期
1934.05.04
申请人
发明人
DELAGEBEAUDEUF ANDRE JOSEPH JULES
分类号
G10K9/02
主分类号
G10K9/02
代理机构
代理人
主权项
地址
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