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发明名称
Dispositif électro-acoustique applicable à tous postes de t. s. f. et meubles radio électriques
摘要
申请公布号
FR1025702(A)
申请公布日期
1953.04.20
申请号
FRD1025702
申请日期
1950.10.07
申请人
发明人
MALINGE ROBERT-GAE:TAN-CHARL
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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