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发明名称
SPEAKER DIAPHRAGM
摘要
申请公布号
JPH05211696(A)
申请公布日期
1993.08.20
申请号
JP19920015661
申请日期
1992.01.31
申请人
SHARP CORP
发明人
HIROSHIMA YUKIMI
分类号
H04R7/02;D21B1/36;D21J3/12
主分类号
H04R7/02
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代理人
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