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发明名称
摘要
申请公布号
JPH0193504(U)
申请公布日期
1989.06.20
申请号
JP19870188269U
申请日期
1987.12.12
申请人
发明人
分类号
G01B17/02;(IPC1-7):G01B17/02
主分类号
G01B17/02
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