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发明名称
THIN SPEAKER
摘要
申请公布号
JPH03293897(A)
申请公布日期
1991.12.25
申请号
JP19900093946
申请日期
1990.04.11
申请人
NITSUKO CORP
发明人
OKI TETSUO
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
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