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经营范围
发明名称
DIAPHRAGM FOR SPEAKER
摘要
申请公布号
JPH0396200(A)
申请公布日期
1991.04.22
申请号
JP19890234123
申请日期
1989.09.08
申请人
KOBE STEEL LTD
发明人
MIYATA KOICHI;KUMAGAI KAZUO;KOBASHI KOJI
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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