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发明名称
SPEAKER WITH GLASS DIAPHRAGM
摘要
申请公布号
JPH05227590(A)
申请公布日期
1993.09.03
申请号
JP19920069930
申请日期
1992.02.10
申请人
TAKENAKA MASAAKI
发明人
TAKENAKA MASAAKI
分类号
H04R7/02
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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