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经营范围
发明名称
LOUDSPEAKER ENCLOSURE
摘要
申请公布号
GB8804232(D0)
申请公布日期
1988.03.23
申请号
GB19880004232
申请日期
1988.02.24
申请人
CANON KK
发明人
分类号
H04R1/02;H04R1/28
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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