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发明名称
ELECTRO-DYNAMIC LOUDSPEAKER
摘要
申请公布号
GB2045579(B)
申请公布日期
1983.12.14
申请号
GB19800007684
申请日期
1980.03.06
申请人
DUAL GEBRUEDER STEIDINGER
发明人
分类号
H04R1/22;H04R1/30;H04R9/02;(IPC1-7):H04R9/06
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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