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经营范围
发明名称
MEJORAS INTRODUCIDAS EN LOS ALTAVOCES
摘要
申请公布号
ES239602(A2)
申请公布日期
1958.08.16
申请号
ES19020002396
申请日期
1958.01.08
申请人
PLA HERMANOS Y COMPANIA, SOCIEDAD LIMITADA
发明人
分类号
(IPC1-7):H04R
主分类号
(IPC1-7):H04R
代理机构
代理人
主权项
地址
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