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发明名称
MEJORAS EN ADAPTADOR ACUSTICO PARA INTERCOMUNICAR APARATOS TELEFONICOS
摘要
申请公布号
MX144329(A)
申请公布日期
1981.09.29
申请号
MX19770168712
申请日期
1977.04.12
申请人
MURUA ALBERTO DOMENGE
发明人
MURUA ALBERTO DOMENGE
分类号
H04M1/04;(IPC1-7):H04M1/04
主分类号
H04M1/04
代理机构
代理人
主权项
地址
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