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发明名称
Dispositif pour amplificateurs de radiophonie, d'électrophones, de magnétophones, de films cinématographiques et de tout autre reproducteur de sons
摘要
申请公布号
FR1162379(A)
申请公布日期
1958.09.11
申请号
FRD1162379
申请日期
1956.11.27
申请人
发明人
CHINAUD CASIMIR-EMILE
分类号
H04S5/00
主分类号
H04S5/00
代理机构
代理人
主权项
地址
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