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发明名称
DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPH01290400(A)
申请公布日期
1989.11.22
申请号
JP19880120195
申请日期
1988.05.17
申请人
TOKAI CARBON CO LTD
发明人
TSUGE HODAKA;IMAZU ITSURO
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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