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摘要
申请公布号
JP2580301(Y2)
申请公布日期
1998.09.10
申请号
JP19920007924U
申请日期
1992.02.24
申请人
发明人
分类号
G01H3/00;G01S3/80;H04R1/44;H04R17/00;(IPC1-7):H04R1/44
主分类号
G01H3/00
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