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发明名称
DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPS6427398(A)
申请公布日期
1989.01.30
申请号
JP19870184031
申请日期
1987.07.23
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKAYAMA SATOSHI;TAMURA TADASHI;MURATA KOSAKU;TAKEWA HIROYUKI
分类号
H04R7/08
主分类号
H04R7/08
代理机构
代理人
主权项
地址
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