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发明名称
Transducteurs électro-acoustiques
摘要
申请公布号
FR1379308(A)
申请公布日期
1964.11.20
申请号
FR19630958889
申请日期
1963.12.30
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H04M1/02;H04M1/03
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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