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经营范围
发明名称
APARATO INTERCOMUNICADOR.
摘要
申请公布号
ES171141(U)
申请公布日期
1972.01.16
申请号
ES19710171141U
申请日期
1971.07.23
申请人
HIMMEL & DIANA, S. A.
发明人
分类号
H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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