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经营范围
发明名称
LUIDSPREKERBEHUIZING.
摘要
申请公布号
NL7709759(A)
申请公布日期
1978.03.07
申请号
NL19770009759
申请日期
1977.09.05
申请人
SONY CORPORATION (SONY KABUSHIKI KAISHA) TE TOKIO.
发明人
分类号
H04R1/02;H04R1/20;(IPC1-7):H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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