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发明名称
Haut-parleur
摘要
申请公布号
FR862867(A)
申请公布日期
1941.03.18
申请号
FRD862867
申请日期
1940.01.12
申请人
发明人
COMPARE MANRICO
分类号
H04R7/12
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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