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发明名称
SOONAAYOSOJUHAKI
摘要
申请公布号
JP2658363(B2)
申请公布日期
1997.09.30
申请号
JP19890057882
申请日期
1989.03.13
申请人
NIPPON DENKI KK
发明人
KAMEYAMA AKIRA;HAMA YOSHINORI
分类号
H04R17/10;G01S7/52;G01S7/521;H04R1/44;(IPC1-7):H04R1/44
主分类号
H04R17/10
代理机构
代理人
主权项
地址
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