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发明名称
DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPH01319395(A)
申请公布日期
1989.12.25
申请号
JP19880151226
申请日期
1988.06.21
申请人
PIONEER ELECTRON CORP
发明人
OKADA KENZO;KINOSHITA KATSUMI
分类号
H04R7/18
主分类号
H04R7/18
代理机构
代理人
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