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经营范围
发明名称
LUIDSPREKER.
摘要
申请公布号
NL189843(C)
申请公布日期
1993.08.02
申请号
NL19780011630
申请日期
1978.11.27
申请人
SONY CORPORATION (SONY KABUSHIKI KAISHA) TE TOKIO, JAPAN.
发明人
分类号
H04R9/06;(IPC1-7):H04R9/06
主分类号
H04R9/06
代理机构
代理人
主权项
地址
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