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发明名称
FLAT-DIAPHRAGM ELECTRODYNAMIC TRANSDUCER
摘要
申请公布号
GB2114397(B)
申请公布日期
1985.07.24
申请号
GB19830002637
申请日期
1983.01.31
申请人
NV * PHILIPS' GLOIELAMPENFABRIEKEN
发明人
URBANUS PAUL MARGUERITE * GOOSSENS;GUSTAAF ETIENNE MARIE * FIERENS
分类号
H04R9/04;H04R7/04;H04R9/06;H04R31/00;(IPC1-7):H04R7/18
主分类号
H04R9/04
代理机构
代理人
主权项
地址
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