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经营范围
发明名称
IMPROVEMENTS IN LOUDSPEAKERS
摘要
申请公布号
HK1027936(A1)
申请公布日期
2001.06.29
申请号
HK20000106998
申请日期
2000.11.03
申请人
FOSTER ELECTRIC CO. LTD.
发明人
HIDETOSHI, SHIRAKAWA
分类号
H04R9/02;H04R9/06;(IPC1-7):H04R
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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