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发明名称
ROTARY TYPE SPEAKER
摘要
申请公布号
JPS6253099(A)
申请公布日期
1987.03.07
申请号
JP19850192725
申请日期
1985.08.31
申请人
NEC HOME ELECTRONICS LTD
发明人
ISHITOBI YOSHIMITSU
分类号
H04R9/06
主分类号
H04R9/06
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