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经营范围
发明名称
DUSTPROOF CAP FOR SPEAKER
摘要
申请公布号
JPS6229300(A)
申请公布日期
1987.02.07
申请号
JP19850166680
申请日期
1985.07.30
申请人
PIONEER ELECTRONIC CORP
发明人
OKADA KENZO
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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