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摘要
申请公布号
JPH0311933(Y2)
申请公布日期
1991.03.22
申请号
JP19840167669U
申请日期
1984.11.05
申请人
发明人
分类号
G01R19/12;G01D7/00;G11B27/36;H03G1/00;(IPC1-7):H03G1/00
主分类号
G01R19/12
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