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发明名称
BACK PLATE DEVICE FOR ELECTROACOUSTIC TRANSDUCER
摘要
申请公布号
JPS6352599(A)
申请公布日期
1988.03.05
申请号
JP19860196953
申请日期
1986.08.22
申请人
SONY CORP;IBIDEN CO LTD
发明人
UGAJI MASAKATA;SASAKI TORU;OKUBO HITOSHI;IWATA YOSHIYUKI
分类号
H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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