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发明名称
摘要
申请公布号
JPH0411405(U)
申请公布日期
1992.01.30
申请号
JP19900051767U
申请日期
1990.05.17
申请人
发明人
分类号
G01B5/02;(IPC1-7):G01B5/02
主分类号
G01B5/02
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