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发明名称
SPEAKER SPIDER
摘要
PURPOSE:To prevent deforming of a diaphragm due to large amplitude action.
申请公布号
JPS5216218(A)
申请公布日期
1977.02.07
申请号
JP19750091920
申请日期
1975.07.30
申请人
HITACHI LTD
发明人
KAWAMURA SHINICHIROU
分类号
H04R9/02;H04R9/06;(IPC1-7):04R9/06
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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