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发明名称
LOUDSPEAKER COLUMN
摘要
申请公布号
PL347536(A1)
申请公布日期
2002.11.18
申请号
PL20010347536
申请日期
2001.05.14
申请人
KWIATKOWSKI BOGUSLAW
发明人
KWIATKOWSKI BOGUSLAW
分类号
H04R1/02;H04R1/28;(IPC1-7):H04R1/28
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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