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发明名称
OPTICAL MOTION FEEDBACK SPEAKER
摘要
申请公布号
JPS54111327(A)
申请公布日期
1979.08.31
申请号
JP19790006221
申请日期
1979.01.24
申请人
PHILIPS NV
发明人
HARADA MASAKI;MIKAMI TOKUHIRO
分类号
H04R9/00;H04R1/00;H04R3/00;H04R9/02
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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