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发明名称
DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPH01144895(A)
申请公布日期
1989.06.07
申请号
JP19870301422
申请日期
1987.12.01
申请人
KENWOOD CORP;TOYOBO CO LTD
发明人
OTA SHUHEI;SAKAMOTO MASAKATSU;SHIRASAKI GIICHI
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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