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发明名称
CERAMIC SPEAKER ENCLOSURE
摘要
申请公布号
US4082159(A)
申请公布日期
1978.04.04
申请号
US19760689154
申请日期
1976.05.24
申请人
MAR-KEL LIGHTING, INC.
发明人
PETTY, FRANK
分类号
H04R1/02;H04R1/26;H04R1/28;(IPC1-7):H05K5/00;G10K13/00;A47B81/06
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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